#ifndef FCODER_DEFAULT_INCLUDE #define FCODER_DEFAULT_INCLUDE #include "4coder_custom.h" #define FSTRING_IMPLEMENTATION #include "4coder_string.h" #include "4coder_helper.h" #include #ifndef DEFAULT_INDENT_FLAGS # define DEFAULT_INDENT_FLAGS 0 #endif #ifndef DEF_TAB_WIDTH # define DEF_TAB_WIDTH 4 #endif // // Useful helper functions // static int32_t open_file(Application_Links *app, Buffer_Summary *buffer_out, char *filename, int32_t filename_len, int32_t background, int32_t never_new){ int32_t result = false; Buffer_Summary buffer = app->get_buffer_by_name(app, filename, filename_len, AccessProtected|AccessHidden); if (buffer.exists){ if (buffer_out) *buffer_out = buffer; result = true; } else{ Buffer_Create_Flag flags = 0; if (background){ flags |= BufferCreate_Background; } if (never_new){ flags |= BufferCreate_NeverNew; } buffer = app->create_buffer(app, filename, filename_len, flags); if (buffer.exists){ if (buffer_out) *buffer_out = buffer; result = true; } } return(result); } static int32_t view_open_file(Application_Links *app, View_Summary *view, char *filename, int32_t filename_len, int32_t never_new){ int32_t result = false; if (view){ Buffer_Summary buffer = {0}; if (open_file(app, &buffer, filename, filename_len, false, never_new)){ app->view_set_buffer(app, view, buffer.buffer_id, 0); result = true; } } return(result); } static int32_t read_line(Application_Links *app, Partition *part, Buffer_Summary *buffer, int32_t line, String *str){ Partial_Cursor begin = {0}; Partial_Cursor end = {0}; int32_t success = false; if (app->buffer_compute_cursor(app, buffer, seek_line_char(line, 1), &begin)){ if (app->buffer_compute_cursor(app, buffer, seek_line_char(line, 65536), &end)){ if (begin.line == line){ if (0 <= begin.pos && begin.pos <= end.pos && end.pos <= buffer->size){ int32_t size = (end.pos - begin.pos); *str = make_string(push_array(part, char, size+1), size+1); if (str->str){ success = true; app->buffer_read_range(app, buffer, begin.pos, end.pos, str->str); str->size = size; terminate_with_null(str); } } } } } return(success); } // // Memory // static Partition global_part; static General_Memory global_general; void init_memory(Application_Links *app){ int32_t part_size = (1 << 20); int32_t general_size = (1 << 20); void *part_mem = app->memory_allocate(app, part_size); global_part = make_part(part_mem, part_size); void *general_mem = app->memory_allocate(app, general_size); general_memory_open(&global_general, general_mem, general_size); } // // Buffer Streaming // struct Stream_Chunk{ Application_Links *app; Buffer_Summary *buffer; char *base_data; int32_t start, end; int32_t min_start, max_end; int32_t data_size; char *data; }; int32_t round_down(int32_t x, int32_t b){ int32_t r = 0; if (x >= 0){ r = x - (x % b); } return(r); } int32_t round_up(int32_t x, int32_t b){ int32_t r = 0; if (x >= 0){ r = x - (x % b) + b; } return(r); } void refresh_buffer(Application_Links *app, Buffer_Summary *buffer){ *buffer = app->get_buffer(app, buffer->buffer_id, AccessAll); } void refresh_view(Application_Links *app, View_Summary *view){ *view = app->get_view(app, view->view_id, AccessAll); } int32_t init_stream_chunk(Stream_Chunk *chunk, Application_Links *app, Buffer_Summary *buffer, int32_t pos, char *data, int32_t size){ int32_t result = false; refresh_buffer(app, buffer); if (pos >= 0 && pos < buffer->size && size > 0){ chunk->app = app; chunk->buffer = buffer; chunk->base_data = data; chunk->data_size = size; chunk->start = round_down(pos, size); chunk->end = round_up(pos, size); if (chunk->max_end > buffer->size || chunk->max_end == 0){ chunk->max_end = buffer->size; } if (chunk->max_end && chunk->max_end < chunk->end){ chunk->end = chunk->max_end; } if (chunk->min_start && chunk->min_start > chunk->start){ chunk->start = chunk->min_start; } if (chunk->start < chunk->end){ app->buffer_read_range(app, buffer, chunk->start, chunk->end, chunk->base_data); chunk->data = chunk->base_data - chunk->start; result = true; } } return(result); } int32_t forward_stream_chunk(Stream_Chunk *chunk){ Application_Links *app = chunk->app; Buffer_Summary *buffer = chunk->buffer; int32_t result = false; refresh_buffer(app, buffer); if (chunk->end < buffer->size){ chunk->start = chunk->end; chunk->end += chunk->data_size; if (chunk->max_end && chunk->max_end < chunk->end){ chunk->end = chunk->max_end; } if (chunk->min_start && chunk->min_start > chunk->start){ chunk->start = chunk->min_start; } if (chunk->start < chunk->end){ app->buffer_read_range(app, buffer, chunk->start, chunk->end, chunk->base_data); chunk->data = chunk->base_data - chunk->start; result = true; } } return(result); } int32_t backward_stream_chunk(Stream_Chunk *chunk){ Application_Links *app = chunk->app; Buffer_Summary *buffer = chunk->buffer; int32_t result = false; refresh_buffer(app, buffer); if (chunk->start > 0){ chunk->end = chunk->start; chunk->start -= chunk->data_size; if (chunk->max_end && chunk->max_end < chunk->end){ chunk->end = chunk->max_end; } if (chunk->min_start && chunk->min_start > chunk->start){ chunk->start = chunk->min_start; } if (chunk->start < chunk->end){ app->buffer_read_range(app, buffer, chunk->start, chunk->end, chunk->base_data); chunk->data = chunk->base_data - chunk->start; result = true; } } return(result); } void buffer_seek_delimiter_forward(Application_Links *app, Buffer_Summary *buffer, int32_t pos, char delim, int32_t *result){ if (buffer->exists){ char chunk[1024]; int32_t size = sizeof(chunk); Stream_Chunk stream = {0}; if (init_stream_chunk(&stream, app, buffer, pos, chunk, size)){ int32_t still_looping = 1; do{ for(; pos < stream.end; ++pos){ char at_pos = stream.data[pos]; if (at_pos == delim){ *result = pos; goto finished; } } still_looping = forward_stream_chunk(&stream); }while (still_looping); } } *result = buffer->size; finished:; } void buffer_seek_delimiter_backward(Application_Links *app, Buffer_Summary *buffer, int32_t pos, char delim, int32_t *result){ if (buffer->exists){ char chunk[1024]; int32_t size = sizeof(chunk); Stream_Chunk stream = {0}; if (init_stream_chunk(&stream, app, buffer, pos, chunk, size)){ int32_t still_looping = 1; do{ for(; pos >= stream.start; --pos){ char at_pos = stream.data[pos]; if (at_pos == delim){ *result = pos; goto finished; } } still_looping = backward_stream_chunk(&stream); }while (still_looping); } } *result = 0; finished:; } // TODO(allen): This duplication is driving me crazy... I've gotta // upgrade the meta programming system another level. // NOTE(allen): This is limitted to a string size of 512. // You can push it up or do something more clever by just // replacing char read_buffer[512]; with more memory. void buffer_seek_string_forward(Application_Links *app, Buffer_Summary *buffer, int32_t pos, int32_t end, char *str, int32_t size, int32_t *result){ char read_buffer[512]; if (size <= 0){ *result = pos; } else if (size > sizeof(read_buffer)){ *result = pos; } else{ if (buffer->exists){ String read_str = make_fixed_width_string(read_buffer); String needle_str = make_string(str, size); char first_char = str[0]; read_str.size = size; char chunk[1024]; int32_t chunk_size = sizeof(chunk); Stream_Chunk stream = {0}; stream.max_end = end; if (init_stream_chunk(&stream, app, buffer, pos, chunk, chunk_size)){ int32_t still_looping = 1; do{ for(; pos < stream.end; ++pos){ char at_pos = stream.data[pos]; if (at_pos == first_char){ app->buffer_read_range(app, buffer, pos, pos+size, read_buffer); if (match_ss(needle_str, read_str)){ *result = pos; goto finished; } } } still_looping = forward_stream_chunk(&stream); }while (still_looping); } } if (end == 0){ *result = buffer->size; } else{ *result = end; } finished:; } } // NOTE(allen): This is limitted to a string size of 512. // You can push it up or do something more clever by just // replacing char read_buffer[512]; with more memory. void buffer_seek_string_backward(Application_Links *app, Buffer_Summary *buffer, int32_t pos, int32_t min, char *str, int32_t size, int32_t *result){ char read_buffer[512]; if (size <= 0){ *result = min-1; } else if (size > sizeof(read_buffer)){ *result = min-1; } else{ if (buffer->exists){ String read_str = make_fixed_width_string(read_buffer); String needle_str = make_string(str, size); char first_char = str[0]; read_str.size = size; char chunk[1024]; int32_t chunk_size = sizeof(chunk); Stream_Chunk stream = {0}; stream.min_start = min; if (init_stream_chunk(&stream, app, buffer, pos, chunk, chunk_size)){ int32_t still_looping = 1; do{ for(; pos >= stream.start; --pos){ char at_pos = stream.data[pos]; if (at_pos == first_char){ app->buffer_read_range(app, buffer, pos, pos+size, read_buffer); if (match_ss(needle_str, read_str)){ *result = pos; goto finished; } } } still_looping = backward_stream_chunk(&stream); }while (still_looping); } } *result = min-1; finished:; } } // NOTE(allen): This is limitted to a string size of 512. // You can push it up or do something more clever by just // replacing char read_buffer[512]; with more memory. void buffer_seek_string_insensitive_forward(Application_Links *app, Buffer_Summary *buffer, int32_t pos, int32_t end, char *str, int32_t size, int32_t *result){ char read_buffer[512]; char chunk[1024]; int32_t chunk_size = sizeof(chunk); Stream_Chunk stream = {0}; stream.max_end = end; if (size <= 0){ *result = buffer->size; } else if (size > sizeof(read_buffer)){ *result = buffer->size; } else{ if (buffer->exists){ String read_str = make_fixed_width_string(read_buffer); String needle_str = make_string(str, size); char first_char = char_to_upper(str[0]); read_str.size = size; if (init_stream_chunk(&stream, app, buffer, pos, chunk, chunk_size)){ int32_t still_looping = 1; do{ for(; pos < stream.end; ++pos){ char at_pos = char_to_upper(stream.data[pos]); if (at_pos == first_char){ app->buffer_read_range(app, buffer, pos, pos+size, read_buffer); if (match_insensitive_ss(needle_str, read_str)){ *result = pos; goto finished; } } } still_looping = forward_stream_chunk(&stream); }while (still_looping); } } *result = buffer->size; finished:; } } // NOTE(allen): This is limitted to a string size of 512. // You can push it up or do something more clever by just // replacing char read_buffer[512]; with more memory. void buffer_seek_string_insensitive_backward(Application_Links *app, Buffer_Summary *buffer, int32_t pos, int32_t min, char *str, int32_t size, int32_t *result){ char read_buffer[512]; char chunk[1024]; int32_t chunk_size = sizeof(chunk); Stream_Chunk stream = {0}; stream.min_start = min; if (size <= 0){ *result = -1; } else if (size > sizeof(read_buffer)){ *result = -1; } else{ if (buffer->exists){ String read_str = make_fixed_width_string(read_buffer); String needle_str = make_string(str, size); char first_char = char_to_upper(str[0]); read_str.size = size; if (init_stream_chunk(&stream, app, buffer, pos, chunk, chunk_size)){ int32_t still_looping = 1; do{ for(; pos >= stream.start; --pos){ char at_pos = char_to_upper(stream.data[pos]); if (at_pos == first_char){ app->buffer_read_range(app, buffer, pos, pos+size, read_buffer); if (match_insensitive_ss(needle_str, read_str)){ *result = pos; goto finished; } } } still_looping = backward_stream_chunk(&stream); }while (still_looping); } } *result = -1; finished:; } } // // Fundamental Editing // inline float get_view_y(View_Summary view){ float y = view.cursor.wrapped_y; if (view.unwrapped_lines){ y = view.cursor.unwrapped_y; } return(y); } inline float get_view_x(View_Summary view){ float x = view.cursor.wrapped_x; if (view.unwrapped_lines){ x = view.cursor.unwrapped_x; } return(x); } CUSTOM_COMMAND_SIG(write_character){ uint32_t access = AccessOpen; View_Summary view = app->get_active_view(app, access); User_Input in = app->get_command_input(app); char character = 0; if (in.type == UserInputKey){ character = in.key.character; } if (character != 0){ Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, access); int32_t pos = view.cursor.pos; int32_t next_pos = pos + 1; app->buffer_replace_range(app, &buffer, pos, pos, &character, 1); app->view_set_cursor(app, &view, seek_pos(next_pos), true); } } CUSTOM_COMMAND_SIG(delete_char){ uint32_t access = AccessOpen; View_Summary view = app->get_active_view(app, access); Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, access); int32_t pos = view.cursor.pos; if (0 < buffer.size && pos < buffer.size){ app->buffer_replace_range(app, &buffer, pos, pos+1, 0, 0); } } CUSTOM_COMMAND_SIG(backspace_char){ uint32_t access = AccessOpen; View_Summary view = app->get_active_view(app, access); Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, access); int32_t pos = view.cursor.pos; if (0 < pos && pos <= buffer.size){ app->buffer_replace_range(app, &buffer, pos-1, pos, 0, 0); app->view_set_cursor(app, &view, seek_pos(pos-1), true); } } CUSTOM_COMMAND_SIG(set_mark){ uint32_t access = AccessProtected; View_Summary view = app->get_active_view(app, access); app->view_set_mark(app, &view, seek_pos(view.cursor.pos)); // TODO(allen): Just expose the preferred_x seperately app->view_set_cursor(app, &view, seek_pos(view.cursor.pos), true); } CUSTOM_COMMAND_SIG(cursor_mark_swap){ uint32_t access = AccessProtected; View_Summary view = app->get_active_view(app, access); int32_t cursor = view.cursor.pos; int32_t mark = view.mark.pos; app->view_set_cursor(app, &view, seek_pos(mark), true); app->view_set_mark(app, &view, seek_pos(cursor)); } CUSTOM_COMMAND_SIG(delete_range){ uint32_t access = AccessOpen; View_Summary view = app->get_active_view(app, access); Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, access); Range range = get_range(&view); app->buffer_replace_range(app, &buffer, range.min, range.max, 0, 0); } // // Basic Navigation // CUSTOM_COMMAND_SIG(center_view){ View_Summary view = app->get_active_view(app, AccessProtected); i32_Rect region = view.file_region; GUI_Scroll_Vars scroll = view.scroll_vars; float h = (float)(region.y1 - region.y0); float y = get_view_y(view); y = y - h*.5f; scroll.target_y = (int32_t)(y + .5f); app->view_set_scroll(app, &view, scroll); } CUSTOM_COMMAND_SIG(left_adjust_view){ View_Summary view = app->get_active_view(app, AccessProtected); GUI_Scroll_Vars scroll = view.scroll_vars; float x = get_view_x(view); x = x - 30.f; scroll.target_x = (int32_t)(x + .5f); app->view_set_scroll(app, &view, scroll); } int32_t get_relative_xy(View_Summary *view, int32_t x, int32_t y, float *x_out, float *y_out){ int32_t result = false; i32_Rect region = view->file_region; int32_t max_x = (region.x1 - region.x0); int32_t max_y = (region.y1 - region.y0); GUI_Scroll_Vars scroll_vars = view->scroll_vars; int32_t rx = x - region.x0; int32_t ry = y - region.y0; if (ry >= 0){ if (rx >= 0 && rx < max_x && ry >= 0 && ry < max_y){ result = 1; } } *x_out = (float)rx + scroll_vars.scroll_x; *y_out = (float)ry + scroll_vars.scroll_y; return(result); } CUSTOM_COMMAND_SIG(click_set_cursor){ uint32_t access = AccessProtected; View_Summary view = app->get_active_view(app, access); Mouse_State mouse = app->get_mouse_state(app); float rx = 0, ry = 0; if (get_relative_xy(&view, mouse.x, mouse.y, &rx, &ry)){ app->view_set_cursor(app, &view, seek_xy(rx, ry, true, view.unwrapped_lines), true); } } CUSTOM_COMMAND_SIG(click_set_mark){ uint32_t access = AccessProtected; View_Summary view = app->get_active_view(app, access); Mouse_State mouse = app->get_mouse_state(app); float rx = 0, ry = 0; if (get_relative_xy(&view, mouse.x, mouse.y, &rx, &ry)){ app->view_set_mark(app, &view, seek_xy(rx, ry, true, view.unwrapped_lines) ); } } inline void move_vertical(Application_Links *app, float line_multiplier){ uint32_t access = AccessProtected; View_Summary view = app->get_active_view(app, access); float new_y = get_view_y(view) + line_multiplier*view.line_height; float x = view.preferred_x; app->view_set_cursor(app, &view, seek_xy(x, new_y, false, view.unwrapped_lines), false); } CUSTOM_COMMAND_SIG(move_up){ move_vertical(app, -1.f); } CUSTOM_COMMAND_SIG(move_down){ move_vertical(app, 1.f); } CUSTOM_COMMAND_SIG(move_up_10){ move_vertical(app, -10.f); } CUSTOM_COMMAND_SIG(move_down_10){ move_vertical(app, 10.f); } static float get_page_jump(View_Summary *view){ i32_Rect region = view->file_region; float page_jump = 1; if (view->line_height > 0){ page_jump = (float)(region.y1 - region.y0) / view->line_height; page_jump -= 3.f; if (page_jump <= 0){ page_jump = 1.f; } } return(page_jump); } CUSTOM_COMMAND_SIG(page_up){ uint32_t access = AccessProtected; View_Summary view = app->get_active_view(app, access); float page_jump = get_page_jump(&view); move_vertical(app, -page_jump); } CUSTOM_COMMAND_SIG(page_down){ uint32_t access = AccessProtected; View_Summary view = app->get_active_view(app, access); float page_jump = get_page_jump(&view); move_vertical(app, page_jump); } CUSTOM_COMMAND_SIG(move_left){ uint32_t access = AccessProtected; View_Summary view = app->get_active_view(app, access); int32_t new_pos = view.cursor.pos - 1; app->view_set_cursor(app, &view, seek_pos(new_pos), true); } CUSTOM_COMMAND_SIG(move_right){ uint32_t access = AccessProtected; View_Summary view = app->get_active_view(app, access); int32_t new_pos = view.cursor.pos + 1; app->view_set_cursor(app, &view, seek_pos(new_pos), true); } // // Auto Indenting and Whitespace // static int32_t seek_line_end(Application_Links *app, Buffer_Summary *buffer, int32_t pos){ char chunk[1024]; int32_t chunk_size = sizeof(chunk); Stream_Chunk stream = {0}; int32_t still_looping; char at_pos; if (init_stream_chunk(&stream, app, buffer, pos, chunk, chunk_size)){ still_looping = 1; do{ for (; pos < stream.end; ++pos){ at_pos = stream.data[pos]; if (at_pos == '\n'){ goto double_break; } } still_looping = forward_stream_chunk(&stream); }while(still_looping); double_break:; if (pos > buffer->size){ pos = buffer->size; } } return(pos); } static int32_t seek_line_beginning(Application_Links *app, Buffer_Summary *buffer, int32_t pos){ char chunk[1024]; int32_t chunk_size = sizeof(chunk); Stream_Chunk stream = {0}; int32_t still_looping; char at_pos; --pos; if (init_stream_chunk(&stream, app, buffer, pos, chunk, chunk_size)){ still_looping = 1; do{ for (; pos >= stream.start; --pos){ at_pos = stream.data[pos]; if (at_pos == '\n'){ goto double_break; } } still_looping = backward_stream_chunk(&stream); }while(still_looping); double_break:; if (pos != 0){ ++pos; } if (pos < 0){ pos = 0; } } return(pos); } static void move_past_lead_whitespace(Application_Links *app, View_Summary *view, Buffer_Summary *buffer){ refresh_view(app, view); int32_t new_pos = seek_line_beginning(app, buffer, view->cursor.pos); char space[1024]; Stream_Chunk chunk = {0}; int32_t still_looping = false; int32_t i = new_pos; if (init_stream_chunk(&chunk, app, buffer, i, space, sizeof(space))){ do{ for (; i < chunk.end; ++i){ char at_pos = chunk.data[i]; if (at_pos == '\n' || !char_is_whitespace(at_pos)){ goto break2; } } still_looping = forward_stream_chunk(&chunk); }while(still_looping); break2:; if (i > view->cursor.pos){ app->view_set_cursor(app, view, seek_pos(i), true); } } } CUSTOM_COMMAND_SIG(auto_tab_line_at_cursor){ uint32_t access = AccessOpen; View_Summary view = app->get_active_view(app, access); Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, access); app->buffer_auto_indent(app, &buffer, view.cursor.pos, view.cursor.pos, DEF_TAB_WIDTH, DEFAULT_INDENT_FLAGS); move_past_lead_whitespace(app, &view, &buffer); } CUSTOM_COMMAND_SIG(auto_tab_whole_file){ uint32_t access = AccessOpen; View_Summary view = app->get_active_view(app, access); Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, access); app->buffer_auto_indent(app, &buffer, 0, buffer.size, DEF_TAB_WIDTH, DEFAULT_INDENT_FLAGS); } CUSTOM_COMMAND_SIG(auto_tab_range){ uint32_t access = AccessOpen; View_Summary view = app->get_active_view(app, access); Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, access); Range range = get_range(&view); app->buffer_auto_indent(app, &buffer, range.min, range.max, DEF_TAB_WIDTH, DEFAULT_INDENT_FLAGS); move_past_lead_whitespace(app, &view, &buffer); } CUSTOM_COMMAND_SIG(write_and_auto_tab){ exec_command(app, write_character); exec_command(app, auto_tab_line_at_cursor); } CUSTOM_COMMAND_SIG(clean_all_lines){ // TODO(allen): This command always iterates accross the entire // buffer, so streaming it is actually the wrong call. Rewrite this // to minimize calls to app->buffer_read_range. View_Summary view = app->get_active_view(app, AccessOpen); Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, AccessOpen); int32_t line_count = buffer.line_count; int32_t edit_max = line_count; if (edit_max*sizeof(Buffer_Edit) < app->memory_size){ Buffer_Edit *edits = (Buffer_Edit*)app->memory; char data[1024]; Stream_Chunk chunk = {0}; int32_t i = 0; if (init_stream_chunk(&chunk, app, &buffer, i, data, sizeof(data))){ Buffer_Edit *edit = edits; int32_t buffer_size = buffer.size; int32_t still_looping = true; int32_t last_hard = buffer_size; do{ for (; i < chunk.end; ++i){ char at_pos = chunk.data[i]; if (at_pos == '\n'){ if (last_hard+1 < i){ edit->str_start = 0; edit->len = 0; edit->start = last_hard+1; edit->end = i; ++edit; } last_hard = buffer_size; } else if (char_is_whitespace(at_pos)){ // NOTE(allen): do nothing } else{ last_hard = i; } } still_looping = forward_stream_chunk(&chunk); }while(still_looping); if (last_hard+1 < buffer_size){ edit->str_start = 0; edit->len = 0; edit->start = last_hard+1; edit->end = buffer_size; ++edit; } int32_t edit_count = (int32_t)(edit - edits); app->buffer_batch_edit(app, &buffer, 0, 0, edits, edit_count, BatchEdit_PreserveTokens); } } } // // Clipboard // static int32_t clipboard_copy(Application_Links *app, int32_t start, int32_t end, Buffer_Summary *buffer_out, uint32_t access){ View_Summary view = app->get_active_view(app, access); Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, access); int32_t result = false; if (buffer.exists){ if (0 <= start && start <= end && end <= buffer.size){ int32_t size = (end - start); char *str = (char*)app->memory; if (size <= app->memory_size){ app->buffer_read_range(app, &buffer, start, end, str); app->clipboard_post(app, 0, str, size); if (buffer_out){*buffer_out = buffer;} result = true; } } } return(result); } static int32_t clipboard_cut(Application_Links *app, int32_t start, int32_t end, Buffer_Summary *buffer_out, uint32_t access){ Buffer_Summary buffer = {0}; int32_t result = false; if (clipboard_copy(app, start, end, &buffer, access)){ app->buffer_replace_range(app, &buffer, start, end, 0, 0); if (buffer_out){*buffer_out = buffer;} } return(result); } CUSTOM_COMMAND_SIG(copy){ uint32_t access = AccessProtected; View_Summary view = app->get_active_view(app, access); Range range = get_range(&view); clipboard_copy(app, range.min, range.max, 0, access); } CUSTOM_COMMAND_SIG(cut){ uint32_t access = AccessOpen; View_Summary view = app->get_active_view(app, access); Range range = get_range(&view); clipboard_cut(app, range.min, range.max, 0, access); } enum Rewrite_Type{ RewriteNone, RewritePaste, RewriteWordComplete }; struct View_Paste_Index{ int32_t rewrite; int32_t next_rewrite; int32_t index; }; View_Paste_Index view_paste_index_[16]; View_Paste_Index *view_paste_index = view_paste_index_ - 1; CUSTOM_COMMAND_SIG(paste){ uint32_t access = AccessOpen; int32_t count = app->clipboard_count(app, 0); if (count > 0){ View_Summary view = app->get_active_view(app, access); view_paste_index[view.view_id].next_rewrite = RewritePaste; int32_t paste_index = 0; view_paste_index[view.view_id].index = paste_index; int32_t len = app->clipboard_index(app, 0, paste_index, 0, 0); char *str = 0; if (len <= app->memory_size){ str = (char*)app->memory; } if (str){ app->clipboard_index(app, 0, paste_index, str, len); Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, access); int32_t pos = view.cursor.pos; app->buffer_replace_range(app, &buffer, pos, pos, str, len); app->view_set_mark(app, &view, seek_pos(pos)); app->view_set_cursor(app, &view, seek_pos(pos + len), true); // TODO(allen): Send this to all views. Theme_Color paste; paste.tag = Stag_Paste; app->get_theme_colors(app, &paste, 1); app->view_post_fade(app, &view, 0.667f, pos, pos + len, paste.color); } } } CUSTOM_COMMAND_SIG(paste_next){ uint32_t access = AccessOpen; int32_t count = app->clipboard_count(app, 0); if (count > 0){ View_Summary view = app->get_active_view(app, access); if (view_paste_index[view.view_id].rewrite == RewritePaste){ view_paste_index[view.view_id].next_rewrite = RewritePaste; int32_t paste_index = view_paste_index[view.view_id].index + 1; view_paste_index[view.view_id].index = paste_index; int32_t len = app->clipboard_index(app, 0, paste_index, 0, 0); char *str = 0; if (len <= app->memory_size){ str = (char*)app->memory; } if (str){ app->clipboard_index(app, 0, paste_index, str, len); Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, access); Range range = get_range(&view); int32_t pos = range.min; app->buffer_replace_range(app, &buffer, range.min, range.max, str, len); app->view_set_cursor(app, &view, seek_pos(pos + len), true); // TODO(allen): Send this to all views. Theme_Color paste; paste.tag = Stag_Paste; app->get_theme_colors(app, &paste, 1); app->view_post_fade(app, &view, 0.667f, pos, pos + len, paste.color); } } else{ exec_command(app, paste); } } } CUSTOM_COMMAND_SIG(paste_and_indent){ exec_command(app, paste); exec_command(app, auto_tab_range); } CUSTOM_COMMAND_SIG(paste_next_and_indent){ exec_command(app, paste_next); exec_command(app, auto_tab_range); } // // Fancy Editing // CUSTOM_COMMAND_SIG(to_uppercase){ View_Summary view = app->get_active_view(app, AccessOpen); Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, AccessOpen); Range range = get_range(&view); int32_t size = range.max - range.min; if (size <= app->memory_size){ char *mem = (char*)app->memory; app->buffer_read_range(app, &buffer, range.min, range.max, mem); for (int32_t i = 0; i < size; ++i){ mem[i] = char_to_upper(mem[i]); } app->buffer_replace_range(app, &buffer, range.min, range.max, mem, size); app->view_set_cursor(app, &view, seek_pos(range.max), true); } } CUSTOM_COMMAND_SIG(to_lowercase){ View_Summary view = app->get_active_view(app, AccessOpen); Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, AccessOpen); Range range = get_range(&view); int32_t size = range.max - range.min; if (size <= app->memory_size){ char *mem = (char*)app->memory; app->buffer_read_range(app, &buffer, range.min, range.max, mem); for (int32_t i = 0; i < size; ++i){ mem[i] = char_to_lower(mem[i]); } app->buffer_replace_range(app, &buffer, range.min, range.max, mem, size); app->view_set_cursor(app, &view, seek_pos(range.max), true); } } // // Various Forms of Seek // static int32_t buffer_seek_whitespace_up(Application_Links *app, Buffer_Summary *buffer, int32_t pos){ char chunk[1024]; int32_t chunk_size = sizeof(chunk); Stream_Chunk stream = {0}; int32_t no_hard; int32_t still_looping; char at_pos; --pos; if (init_stream_chunk(&stream, app, buffer, pos, chunk, chunk_size)){ // Step 1: Find the first non-whitespace character // behind the current position. still_looping = true; do{ for (; pos >= stream.start; --pos){ at_pos = stream.data[pos]; if (!char_is_whitespace(at_pos)){ goto double_break_1; } } still_looping = backward_stream_chunk(&stream); } while(still_looping); double_break_1:; // Step 2: Continue scanning backward, at each '\n' // mark the beginning of another line by setting // no_hard to true, set it back to false if a // non-whitespace character is discovered before // the next '\n' no_hard = false; while (still_looping){ for (; pos >= stream.start; --pos){ at_pos = stream.data[pos]; if (at_pos == '\n'){ if (no_hard){ goto double_break_2; } else{ no_hard = true; } } else if (!char_is_whitespace(at_pos)){ no_hard = false; } } still_looping = backward_stream_chunk(&stream); } double_break_2:; if (pos != 0){ ++pos; } } return(pos); } static int32_t buffer_seek_whitespace_down(Application_Links *app, Buffer_Summary *buffer, int32_t pos){ char chunk[1024]; int32_t chunk_size = sizeof(chunk); Stream_Chunk stream = {0}; int32_t no_hard; int32_t prev_endline; int32_t still_looping; char at_pos; if (init_stream_chunk(&stream, app, buffer, pos, chunk, chunk_size)){ // step 1: find the first non-whitespace character // ahead of the current position. still_looping = true; do{ for (; pos < stream.end; ++pos){ at_pos = stream.data[pos]; if (!char_is_whitespace(at_pos)){ goto double_break_1; } } still_looping = forward_stream_chunk(&stream); } while(still_looping); double_break_1:; // step 2: continue scanning forward, at each '\n' // mark it as the beginning of a new line by updating // the prev_endline value. if another '\n' is found // with non-whitespace then the previous line was // all whitespace. no_hard = false; prev_endline = -1; while(still_looping){ for (; pos < stream.end; ++pos){ at_pos = stream.data[pos]; if (at_pos == '\n'){ if (no_hard){ goto double_break_2; } else{ no_hard = true; prev_endline = pos; } } else if (!char_is_whitespace(at_pos)){ no_hard = false; } } still_looping = forward_stream_chunk(&stream); } double_break_2:; if (prev_endline == -1 || prev_endline+1 >= buffer->size){ pos = buffer->size; } else{ pos = prev_endline+1; } } return(pos); } CUSTOM_COMMAND_SIG(seek_whitespace_up){ uint32_t access = AccessProtected; View_Summary view = app->get_active_view(app, access); Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, access); int32_t new_pos = buffer_seek_whitespace_up(app, &buffer, view.cursor.pos); app->view_set_cursor(app, &view, seek_pos(new_pos), true); } CUSTOM_COMMAND_SIG(seek_whitespace_down){ uint32_t access = AccessProtected; View_Summary view = app->get_active_view(app, access); Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, access); int32_t new_pos = buffer_seek_whitespace_down(app, &buffer, view.cursor.pos); app->view_set_cursor(app, &view, seek_pos(new_pos), true); } CUSTOM_COMMAND_SIG(seek_end_of_line){ uint32_t access = AccessProtected; View_Summary view = app->get_active_view(app, access); Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, access); int32_t new_pos = seek_line_end(app, &buffer, view.cursor.pos); app->view_set_cursor(app, &view, seek_pos(new_pos), true); } CUSTOM_COMMAND_SIG(seek_beginning_of_line){ uint32_t access = AccessProtected; View_Summary view = app->get_active_view(app, access); Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, access); int32_t new_pos = seek_line_beginning(app, &buffer, view.cursor.pos); app->view_set_cursor(app, &view, seek_pos(new_pos), true); } static void basic_seek(Application_Links *app, int32_t seek_type, uint32_t flags){ uint32_t access = AccessProtected; View_Summary view = app->get_active_view(app, access); Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, access); int32_t pos = app->buffer_boundary_seek(app, &buffer, view.cursor.pos, seek_type, flags); app->view_set_cursor(app, &view, seek_pos(pos), true); } #define seek_command(n, dir, flags)\ CUSTOM_COMMAND_SIG(seek_##n##_##dir){ basic_seek(app, dir, flags); } #define right true #define left false seek_command(whitespace, right, BoundaryWhitespace) seek_command(whitespace, left, BoundaryWhitespace) seek_command(token, right, BoundaryToken) seek_command(token, left, BoundaryToken) seek_command(white_or_token, right, BoundaryToken | BoundaryWhitespace) seek_command(white_or_token, left, BoundaryToken | BoundaryWhitespace) seek_command(alphanumeric, right, BoundaryAlphanumeric) seek_command(alphanumeric, left, BoundaryAlphanumeric) seek_command(alphanumeric_or_camel, right, BoundaryAlphanumeric | BoundaryCamelCase) seek_command(alphanumeric_or_camel, left, BoundaryAlphanumeric | BoundaryCamelCase) #undef right #undef left // // special string writing commands // static void write_string(Application_Links *app, String string){ uint32_t access = AccessOpen; View_Summary view = app->get_active_view(app, access); Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, access); app->buffer_replace_range(app, &buffer, view.cursor.pos, view.cursor.pos, string.str, string.size); app->view_set_cursor(app, &view, seek_pos(view.cursor.pos + string.size), true); } CUSTOM_COMMAND_SIG(write_increment){ write_string(app, make_lit_string("++")); } static void long_braces(Application_Links *app, char *text, int32_t size){ uint32_t access = AccessOpen; View_Summary view = app->get_active_view(app, access); Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, access); int32_t pos = view.cursor.pos; app->buffer_replace_range(app, &buffer, pos, pos, text, size); app->view_set_cursor(app, &view, seek_pos(pos + 2), true); app->buffer_auto_indent(app, &buffer, pos, pos + size, DEF_TAB_WIDTH, DEFAULT_INDENT_FLAGS); move_past_lead_whitespace(app, &view, &buffer); } CUSTOM_COMMAND_SIG(open_long_braces){ char text[] = "{\n\n}"; int32_t size = sizeof(text) - 1; long_braces(app, text, size); } CUSTOM_COMMAND_SIG(open_long_braces_semicolon){ char text[] = "{\n\n};"; int32_t size = sizeof(text) - 1; long_braces(app, text, size); } CUSTOM_COMMAND_SIG(open_long_braces_break){ char text[] = "{\n\n}break;"; int32_t size = sizeof(text) - 1; long_braces(app, text, size); } // TODO(allen): have this thing check if it is on // a blank line and insert newlines as needed. CUSTOM_COMMAND_SIG(if0_off){ char text1[] = "\n#if 0"; int32_t size1 = sizeof(text1) - 1; char text2[] = "#endif\n"; int32_t size2 = sizeof(text2) - 1; View_Summary view = app->get_active_view(app, AccessOpen); Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, AccessOpen); Range range = get_range(&view); if (range.min < range.max){ Buffer_Edit edits[2]; char *str = 0; char *base = (char*)partition_current(&global_part); str = push_array(&global_part, char, size1); memcpy(str, text1, size1); edits[0].str_start = (int32_t)(str - base); edits[0].len = size1; edits[0].start = range.min; edits[0].end = range.min; str = push_array(&global_part, char, size2); memcpy(str, text2, size2); edits[1].str_start = (int32_t)(str - base); edits[1].len = size2; edits[1].start = range.max; edits[1].end = range.max; app->buffer_batch_edit(app,&buffer, base, global_part.pos, edits, ArrayCount(edits), BatchEdit_Normal); view = app->get_view(app, view.view_id, AccessAll); if (view.cursor.pos > view.mark.pos){ app->view_set_cursor(app, &view, seek_line_char(view.cursor.line+1, view.cursor.character), true); } else{ app->view_set_mark(app, &view, seek_line_char(view.mark.line+1, view.mark.character)); } range = get_range(&view); app->buffer_auto_indent(app, &buffer, range.min, range.max, DEF_TAB_WIDTH, DEFAULT_INDENT_FLAGS); move_past_lead_whitespace(app, &view, &buffer); } } // // Fast Deletes // CUSTOM_COMMAND_SIG(backspace_word){ uint32_t access = AccessOpen; View_Summary view = app->get_active_view(app, access); Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, access); if (buffer.exists){ int32_t pos2 = 0, pos1 = 0; pos2 = view.cursor.pos; exec_command(app, seek_alphanumeric_left); refresh_view(app, &view); pos1 = view.cursor.pos; app->buffer_replace_range(app, &buffer, pos1, pos2, 0, 0); } } CUSTOM_COMMAND_SIG(delete_word){ uint32_t access = AccessOpen; View_Summary view = app->get_active_view(app, access); Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, access); if (buffer.exists){ int32_t pos2 = 0, pos1 = 0; pos1 = view.cursor.pos; exec_command(app, seek_alphanumeric_right); refresh_view(app, &view); pos2 = view.cursor.pos; app->buffer_replace_range(app, &buffer, pos1, pos2, 0, 0); } } CUSTOM_COMMAND_SIG(snipe_token_or_word){ uint32_t access = AccessOpen; View_Summary view; Buffer_Summary buffer; int32_t pos1, pos2; view = app->get_active_view(app, access); buffer = app->get_buffer(app, view.buffer_id, access); pos1 = app->buffer_boundary_seek(app, &buffer, view.cursor.pos, false, BoundaryToken | BoundaryWhitespace); pos2 = app->buffer_boundary_seek(app, &buffer, pos1, true, BoundaryToken | BoundaryWhitespace); Range range = make_range(pos1, pos2); app->buffer_replace_range(app, &buffer, range.start, range.end, 0, 0); } // // Scroll Bar Controlling // CUSTOM_COMMAND_SIG(show_scrollbar){ View_Summary view = app->get_active_view(app, AccessProtected); app->view_set_setting(app, &view, ViewSetting_ShowScrollbar, true); } CUSTOM_COMMAND_SIG(hide_scrollbar){ View_Summary view = app->get_active_view(app, AccessProtected); app->view_set_setting(app, &view, ViewSetting_ShowScrollbar, false); } // // Panel Management // CUSTOM_COMMAND_SIG(change_active_panel_regular){ View_Summary view = app->get_active_view(app, AccessAll); app->get_view_next(app, &view, AccessAll); if (!view.exists){ view = app->get_view_first(app, AccessAll); } if (view.exists){ app->set_active_view(app, &view); } } // TODO(allen): This is a bit nasty. I want a system for picking // the most advanced and correct version of a command to bind to a // name based on which files are included. #ifndef CHANGE_ACTIVE_PANEL # define CHANGE_ACTIVE_PANEL 1 #elif CHANGE_ACTIVE_PANEL <= 1 # undef CHANGE_ACTIVE_PANEL # define CHANGE_ACTIVE_PANEL 1 #endif #if CHANGE_ACTIVE_PANEL <= 1 # ifdef change_active_panel # undef change_active_panel # endif # define change_active_panel change_active_panel_regular #endif CUSTOM_COMMAND_SIG(close_panel){ View_Summary view = app->get_active_view(app, AccessAll); app->close_view(app, &view); } CUSTOM_COMMAND_SIG(open_panel_vsplit){ View_Summary view = app->get_active_view(app, AccessAll); View_Summary new_view = app->open_view(app, &view, ViewSplit_Right); app->view_set_setting(app, &new_view, ViewSetting_ShowScrollbar, false); } CUSTOM_COMMAND_SIG(open_panel_hsplit){ View_Summary view = app->get_active_view(app, AccessAll); View_Summary new_view = app->open_view(app, &view, ViewSplit_Bottom); app->view_set_setting(app, &new_view, ViewSetting_ShowScrollbar, false); } // // Open File In Quotes // static int32_t file_name_in_quotes(Application_Links *app, String *file_name){ int32_t result = false; uint32_t access = AccessProtected; View_Summary view; Buffer_Summary buffer; char short_file_name[128]; int32_t pos, start, end, size; view = app->get_active_view(app, access); buffer = app->get_buffer(app, view.buffer_id, access); pos = view.cursor.pos; buffer_seek_delimiter_forward(app, &buffer, pos, '"', &end); buffer_seek_delimiter_backward(app, &buffer, pos, '"', &start); ++start; size = end - start; // NOTE(allen): This check is necessary because app->buffer_read_range // requiers that the output buffer you provide is at least (end - start) bytes long. if (size < sizeof(short_file_name)){ if (app->buffer_read_range(app, &buffer, start, end, short_file_name)){ result = true; copy_ss(file_name, make_string(buffer.file_name, buffer.file_name_len)); remove_last_folder(file_name); append_ss(file_name, make_string(short_file_name, size)); } } return(result); } CUSTOM_COMMAND_SIG(open_file_in_quotes_regular){ char file_name_[256]; String file_name = make_fixed_width_string(file_name_); if (file_name_in_quotes(app, &file_name)){ exec_command(app, change_active_panel_regular); View_Summary view = app->get_active_view(app, AccessAll); view_open_file(app, &view, expand_str(file_name), true); } } // TODO(allen): This is a bit nasty. I want a system for picking // the most advanced and correct version of a command to bind to a // name based on which files are included. #ifndef OPEN_FILE_IN_QUOTES # define OPEN_FILE_IN_QUOTES 1 #elif OPEN_FILE_IN_QUOTES <= 1 # undef OPEN_FILE_IN_QUOTES # define OPEN_FILE_IN_QUOTES 1 #endif #if OPEN_FILE_IN_QUOTES <= 1 # ifdef open_file_in_quotes # undef open_file_in_quotes # endif # define open_file_in_quotes open_file_in_quotes_regular #endif CUSTOM_COMMAND_SIG(open_in_other_regular){ exec_command(app, change_active_panel_regular); exec_command(app, cmdid_interactive_open); } // TODO(allen): This is a bit nasty. I want a system for picking // the most advanced and correct version of a command to bind to a // name based on which files are included. #ifndef OPEN_IN_OTHER # define OPEN_IN_OTHER 1 #elif OPEN_IN_OTHER <= 1 # undef OPEN_IN_OTHER # define OPEN_IN_OTHER 1 #endif #if OPEN_IN_OTHER <= 1 # ifdef open_in_other # undef open_in_other # endif # define open_in_other open_in_other_regular #endif CUSTOM_COMMAND_SIG(save_as){ exec_command(app, cmdid_save_as); } CUSTOM_COMMAND_SIG(goto_line){ uint32_t access = AccessProtected; Query_Bar bar = {0}; char string_space[256]; bar.prompt = make_lit_string("Goto Line: "); bar.string = make_fixed_width_string(string_space); if (query_user_number(app, &bar)){ int32_t line_number = str_to_int_s(bar.string); active_view_to_line(app, access, line_number); } } CUSTOM_COMMAND_SIG(search); CUSTOM_COMMAND_SIG(reverse_search); static void isearch(Application_Links *app, int32_t start_reversed){ uint32_t access = AccessProtected; View_Summary view = app->get_active_view(app, access); Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, access); if (!buffer.exists) return; Query_Bar bar = {0}; if (app->start_query_bar(app, &bar, 0) == 0) return; int32_t reverse = start_reversed; int32_t pos = view.cursor.pos; int32_t start_pos = pos; int32_t first_pos = pos; Range match = make_range(pos, pos); char bar_string_space[256]; bar.string = make_fixed_width_string(bar_string_space); String isearch_str = make_lit_string("I-Search: "); String rsearch_str = make_lit_string("Reverse-I-Search: "); User_Input in = {0}; for (;;){ app->view_set_highlight(app, &view, match.start, match.end, true); // NOTE(allen): Change the bar's prompt to match the current direction. if (reverse) bar.prompt = rsearch_str; else bar.prompt = isearch_str; in = app->get_user_input(app, EventOnAnyKey, EventOnEsc | EventOnButton); if (in.abort) break; // NOTE(allen): If we're getting mouse events here it's a 4coder bug, because we // only asked to intercept key events. assert(in.type == UserInputKey); int32_t made_change = 0; if (in.key.keycode == '\n' || in.key.keycode == '\t'){ break; } else if (in.key.character && key_is_unmodified(&in.key)){ append_s_char(&bar.string, in.key.character); made_change = 1; } else if (in.key.keycode == key_back){ if (bar.string.size > 0){ --bar.string.size; made_change = 1; } } int32_t step_forward = 0; int32_t step_backward = 0; if ((in.command.command == search) || in.key.keycode == key_page_down || in.key.keycode == key_down) step_forward = 1; if ((in.command.command == reverse_search) || in.key.keycode == key_page_up || in.key.keycode == key_up) step_backward = 1; start_pos = pos; if (step_forward && reverse){ start_pos = match.start + 1; pos = start_pos; reverse = 0; step_forward = 0; } if (step_backward && !reverse){ start_pos = match.start - 1; pos = start_pos; reverse = 1; step_backward = 0; } if (in.key.keycode != key_back){ int32_t new_pos; if (reverse){ buffer_seek_string_insensitive_backward(app, &buffer, start_pos - 1, 0, bar.string.str, bar.string.size, &new_pos); if (new_pos >= 0){ if (step_backward){ pos = new_pos; start_pos = new_pos; buffer_seek_string_insensitive_backward(app, &buffer, start_pos - 1, 0, bar.string.str, bar.string.size, &new_pos); if (new_pos < 0) new_pos = start_pos; } match.start = new_pos; match.end = match.start + bar.string.size; } } else{ buffer_seek_string_insensitive_forward(app, &buffer, start_pos + 1, 0, bar.string.str, bar.string.size, &new_pos); if (new_pos < buffer.size){ if (step_forward){ pos = new_pos; start_pos = new_pos; buffer_seek_string_insensitive_forward(app, &buffer, start_pos + 1, 0, bar.string.str, bar.string.size, &new_pos); if (new_pos >= buffer.size) new_pos = start_pos; } match.start = new_pos; match.end = match.start + bar.string.size; } } } else{ if (match.end > match.start + bar.string.size){ match.end = match.start + bar.string.size; } } } app->view_set_highlight(app, &view, 0, 0, false); if (in.abort){ app->view_set_cursor(app, &view, seek_pos(first_pos), true); return; } app->view_set_cursor(app, &view, seek_pos(match.min), true); } CUSTOM_COMMAND_SIG(search){ isearch(app, false); } CUSTOM_COMMAND_SIG(reverse_search){ isearch(app, true); } CUSTOM_COMMAND_SIG(replace_in_range){ Query_Bar replace; char replace_space[1024]; replace.prompt = make_lit_string("Replace: "); replace.string = make_fixed_width_string(replace_space); Query_Bar with; char with_space[1024]; with.prompt = make_lit_string("With: "); with.string = make_fixed_width_string(with_space); if (!query_user_string(app, &replace)) return; if (replace.string.size == 0) return; if (!query_user_string(app, &with)) return; String r, w; r = replace.string; w = with.string; uint32_t access = AccessOpen; View_Summary view = app->get_active_view(app, access); Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, access); Range range = get_range(&view); int32_t pos, new_pos; pos = range.min; buffer_seek_string_forward(app, &buffer, pos, 0, r.str, r.size, &new_pos); while (new_pos + r.size <= range.end){ app->buffer_replace_range(app, &buffer, new_pos, new_pos + r.size, w.str, w.size); refresh_view(app, &view); range = get_range(&view); pos = new_pos + w.size; buffer_seek_string_forward(app, &buffer, pos, 0, r.str, r.size, &new_pos); } } CUSTOM_COMMAND_SIG(query_replace){ Query_Bar replace; char replace_space[1024]; replace.prompt = make_lit_string("Replace: "); replace.string = make_fixed_width_string(replace_space); Query_Bar with; char with_space[1024]; with.prompt = make_lit_string("With: "); with.string = make_fixed_width_string(with_space); if (!query_user_string(app, &replace)) return; if (replace.string.size == 0) return; if (!query_user_string(app, &with)) return; String r, w; r = replace.string; w = with.string; Query_Bar bar; Buffer_Summary buffer; View_Summary view; int32_t pos, new_pos; bar.prompt = make_lit_string("Replace? (y)es, (n)ext, (esc)\n"); bar.string = string_zero(); app->start_query_bar(app, &bar, 0); uint32_t access = AccessOpen; view = app->get_active_view(app, access); buffer = app->get_buffer(app, view.buffer_id, access); pos = view.cursor.pos; buffer_seek_string_forward(app, &buffer, pos, 0, r.str, r.size, &new_pos); User_Input in = {0}; while (new_pos < buffer.size){ Range match = make_range(new_pos, new_pos + r.size); app->view_set_highlight(app, &view, match.min, match.max, 1); in = app->get_user_input(app, EventOnAnyKey, EventOnButton); if (in.abort || in.key.keycode == key_esc || !key_is_unmodified(&in.key)) break; if (in.key.character == 'y' || in.key.character == 'Y' || in.key.character == '\n' || in.key.character == '\t'){ app->buffer_replace_range(app, &buffer, match.min, match.max, w.str, w.size); pos = match.start + w.size; } else{ pos = match.max; } buffer_seek_string_forward(app, &buffer, pos, 0, r.str, r.size, &new_pos); } app->view_set_highlight(app, &view, 0, 0, 0); if (in.abort) return; app->view_set_cursor(app, &view, seek_pos(pos), 1); } // // Fast Buffer Management // CUSTOM_COMMAND_SIG(close_all_code){ String extension; Buffer_Summary buffer; // TODO(allen): Get better memory constructs to the custom layer // so that it doesn't have to rely on arbitrary limits like this one. int32_t buffers_to_close[2048]; int32_t buffers_to_close_count = 0; uint32_t access = AccessAll; for (buffer = app->get_buffer_first(app, access); buffer.exists; app->get_buffer_next(app, &buffer, access)){ extension = file_extension(make_string(buffer.file_name, buffer.file_name_len)); if (match_ss(extension, make_lit_string("cpp")) || match_ss(extension, make_lit_string("hpp")) || match_ss(extension, make_lit_string("c")) || match_ss(extension, make_lit_string("h")) || match_ss(extension, make_lit_string("cc"))){ buffers_to_close[buffers_to_close_count++] = buffer.buffer_id; } } for (int32_t i = 0; i < buffers_to_close_count; ++i){ app->kill_buffer(app, buffer_identifier(buffers_to_close[i]), true, 0); } } CUSTOM_COMMAND_SIG(open_all_code){ // NOTE(allen|a3.4.4): This method of getting the hot directory works // because this custom.cpp gives no special meaning to app->memory // and doesn't set up a persistent allocation system within app->memory. // push_directory isn't a very good option since it's tied to the parameter // stack, so I am phasing that idea out now. String dir = make_string_cap(app->memory, 0, app->memory_size); dir.size = app->directory_get_hot(app, dir.str, dir.memory_size); int32_t dir_size = dir.size; // NOTE(allen|a3.4.4): Here we get the list of files in this directory. // Notice that we free_file_list at the end. File_List list = app->get_file_list(app, dir.str, dir.size); for (int32_t i = 0; i < list.count; ++i){ File_Info *info = list.infos + i; if (!info->folder){ String extension = make_string_cap(info->filename, info->filename_len, info->filename_len+1); extension = file_extension(extension); if (match_ss(extension, make_lit_string("cpp")) || match_ss(extension, make_lit_string("hpp")) || match_ss(extension, make_lit_string("c")) || match_ss(extension, make_lit_string("h")) || match_ss(extension, make_lit_string("cc"))){ // NOTE(allen): There's no way in the 4coder API to use relative // paths at the moment, so everything should be full paths. Which is // managable. Here simply set the dir string size back to where it // was originally, so that new appends overwrite old ones. dir.size = dir_size; append_sc(&dir, info->filename); app->create_buffer(app, dir.str, dir.size, 0); } } } app->free_file_list(app, list); } char out_buffer_space[1024]; char command_space[1024]; char hot_directory_space[1024]; CUSTOM_COMMAND_SIG(execute_any_cli){ Query_Bar bar_out = {0}; Query_Bar bar_cmd = {0}; bar_out.prompt = make_lit_string("Output Buffer: "); bar_out.string = make_fixed_width_string(out_buffer_space); if (!query_user_string(app, &bar_out)) return; bar_cmd.prompt = make_lit_string("Command: "); bar_cmd.string = make_fixed_width_string(command_space); if (!query_user_string(app, &bar_cmd)) return; String hot_directory = make_fixed_width_string(hot_directory_space); hot_directory.size = app->directory_get_hot(app, hot_directory.str, hot_directory.memory_size); uint32_t access = AccessAll; View_Summary view = app->get_active_view(app, access); app->exec_system_command(app, &view, buffer_identifier(bar_out.string.str, bar_out.string.size), hot_directory.str, hot_directory.size, bar_cmd.string.str, bar_cmd.string.size, CLI_OverlapWithConflict | CLI_CursorAtEnd); } CUSTOM_COMMAND_SIG(execute_previous_cli){ String out_buffer = make_string_slowly(out_buffer_space); String cmd = make_string_slowly(command_space); String hot_directory = make_string_slowly(hot_directory_space); if (out_buffer.size > 0 && cmd.size > 0 && hot_directory.size > 0){ uint32_t access = AccessAll; View_Summary view = app->get_active_view(app, access); app->exec_system_command(app, &view, buffer_identifier(out_buffer.str, out_buffer.size), hot_directory.str, hot_directory.size, cmd.str, cmd.size, CLI_OverlapWithConflict | CLI_CursorAtEnd); } } // // Default Building Stuff // // NOTE(allen|a4.0.9): This is provided to establish a default method of getting // a "build directory". This function tries to setup the build directory in the // directory of the given buffer, if it cannot get that information it get's the // 4coder hot directory. // // There is no requirement that a custom build system in 4coder actually use the // directory given by this function. enum Get_Build_Directory_Result{ BuildDir_None, BuildDir_AtFile, BuildDir_AtHot }; static int32_t get_build_directory(Application_Links *app, Buffer_Summary *buffer, String *dir_out){ int32_t result = BuildDir_None; if (buffer && buffer->file_name){ if (!match_cc(buffer->file_name, buffer->buffer_name)){ String dir = make_string_cap(buffer->file_name, buffer->file_name_len, buffer->file_name_len+1); remove_last_folder(&dir); append_ss(dir_out, dir); result = BuildDir_AtFile; } } if (!result){ int32_t len = app->directory_get_hot(app, dir_out->str, dir_out->memory_size - dir_out->size); if (len + dir_out->size < dir_out->memory_size){ dir_out->size += len; result = BuildDir_AtHot; } } return(result); } static int32_t standard_build_search(Application_Links *app, View_Summary *view, Buffer_Summary *active_buffer, String *dir, String *command, int32_t perform_backup, int32_t use_path_in_command, String filename, String commandname){ int32_t result = false; for(;;){ int32_t old_size = dir->size; append_ss(dir, filename); if (app->file_exists(app, dir->str, dir->size)){ dir->size = old_size; if (use_path_in_command){ append_s_char(command, '"'); append_ss(command, *dir); append_ss(command, commandname); append_s_char(command, '"'); } else{ append_ss(command, commandname); } char space[512]; String message = make_fixed_width_string(space); append_ss(&message, make_lit_string("Building with: ")); append_ss(&message, *command); append_s_char(&message, '\n'); app->print_message(app, message.str, message.size); app->exec_system_command(app, view, buffer_identifier(literal("*compilation*")), dir->str, dir->size, command->str, command->size, CLI_OverlapWithConflict); result = true; break; } dir->size = old_size; if (app->directory_cd(app, dir->str, &dir->size, dir->memory_size, literal("..")) == 0){ if (perform_backup){ dir->size = app->directory_get_hot(app, dir->str, dir->memory_size); char backup_space[256]; String backup_command = make_fixed_width_string(backup_space); append_ss(&backup_command, make_lit_string("echo could not find ")); append_ss(&backup_command, filename); app->exec_system_command(app, view, buffer_identifier(literal("*compilation*")), dir->str, dir->size, backup_command.str, backup_command.size, CLI_OverlapWithConflict); } break; } } return(result); } #if defined(_WIN32) // NOTE(allen): Build search rule for windows. static int32_t execute_standard_build_search(Application_Links *app, View_Summary *view, Buffer_Summary *active_buffer, String *dir, String *command, int32_t perform_backup){ int32_t result = standard_build_search(app, view, active_buffer, dir, command, perform_backup, true, make_lit_string("build.bat"), make_lit_string("build")); return(result); } #elif defined(__linux__) // NOTE(allen): Build search rule for linux. static int32_t execute_standard_build_search(Application_Links *app, View_Summary *view, Buffer_Summary *active_buffer, String *dir, String *command, int32_t perform_backup){ char dir_space[512]; String dir_copy = make_fixed_width_string(dir_space); copy(&dir_copy, *dir); int32_t result = standard_build_search(app, view, active_buffer, dir, command, false, true, make_lit_string("build.sh"), make_lit_string("build.sh")); if (!result){ result = standard_build_search(app, view, active_buffer, &dir_copy, command, perform_backup, false, make_lit_string("Makefile"), make_lit_string("make")); } return(result); } #else # error No build search rule for this platform. #endif static void execute_standard_build(Application_Links *app, View_Summary *view, Buffer_Summary *active_buffer){ char dir_space[512]; String dir = make_fixed_width_string(dir_space); char command_str_space[512]; String command = make_fixed_width_string(command_str_space); int32_t build_dir_type = get_build_directory(app, active_buffer, &dir); if (build_dir_type == BuildDir_AtFile){ if (!execute_standard_build_search(app, view, active_buffer, &dir, &command, false)){ dir.size = 0; command.size = 0; build_dir_type = get_build_directory(app, 0, &dir); } } if (build_dir_type == BuildDir_AtHot){ execute_standard_build_search(app, view, active_buffer, &dir, &command, true); } } CUSTOM_COMMAND_SIG(build_search_regular){ uint32_t access = AccessAll; View_Summary view = app->get_active_view(app, access); Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, access); execute_standard_build(app, &view, &buffer); } // TODO(allen): This is a bit nasty. I want a system for picking // the most advanced and correct version of a command to bind to a // name based on which files are included. #ifndef BUILD_SEARCH # define BUILD_SEARCH 1 #elif BUILD_SEARCH <= 1 # undef BUILD_SEARCH # define BUILD_SEARCH 1 #endif #if BUILD_SEARCH <= 1 # ifdef build_search # undef build_search # endif # define build_search build_search_regular #endif // // Common Settings Commands // CUSTOM_COMMAND_SIG(toggle_line_wrap){ View_Summary view = app->get_active_view(app, AccessProtected); Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, AccessProtected); bool32 unwrapped = view.unwrapped_lines; app->view_set_setting(app, &view, ViewSetting_WrapLine, unwrapped); app->buffer_set_setting(app, &buffer, BufferSetting_WrapLine, unwrapped); } CUSTOM_COMMAND_SIG(toggle_show_whitespace){ View_Summary view = app->get_active_view(app, AccessProtected); app->view_set_setting(app, &view, ViewSetting_ShowWhitespace, !view.show_whitespace); } CUSTOM_COMMAND_SIG(eol_dosify){ View_Summary view = app->get_active_view(app, AccessOpen); Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, AccessOpen); app->buffer_set_setting(app, &buffer, BufferSetting_Eol, true); } CUSTOM_COMMAND_SIG(eol_nixify){ View_Summary view = app->get_active_view(app, AccessOpen); Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, AccessOpen); app->buffer_set_setting(app, &buffer, BufferSetting_Eol, false); } // // "Full Search" Based Commands // #include "4coder_table.cpp" #include "4coder_search.cpp" #include "4coder_jump_parsing.cpp" static void generic_search_all_buffers(Application_Links *app, General_Memory *general, Partition *part, uint32_t match_flags){ Query_Bar string; char string_space[1024]; string.prompt = make_lit_string("List Locations For: "); string.string = make_fixed_width_string(string_space); if (!query_user_string(app, &string)) return; if (string.string.size == 0) return; Search_Set set = {0}; Search_Iter iter = {0}; search_iter_init(general, &iter, string.string.size); copy_ss(&iter.word, string.string); int32_t buffer_count = app->get_buffer_count(app); search_set_init(general, &set, buffer_count); Search_Range *ranges = set.ranges; String search_name = make_lit_string("*search*"); Buffer_Summary search_buffer = app->get_buffer_by_name(app, search_name.str, search_name.size, AccessAll); if (!search_buffer.exists){ search_buffer = app->create_buffer(app, search_name.str, search_name.size, BufferCreate_AlwaysNew); app->buffer_set_setting(app, &search_buffer, BufferSetting_Unimportant, true); app->buffer_set_setting(app, &search_buffer, BufferSetting_ReadOnly, true); app->buffer_set_setting(app, &search_buffer, BufferSetting_WrapLine, false); } else{ app->buffer_replace_range(app, &search_buffer, 0, search_buffer.size, 0, 0); } { View_Summary view = app->get_active_view(app, AccessProtected); Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, AccessProtected); int32_t j = 0; if (buffer.exists){ if (buffer.buffer_id != search_buffer.buffer_id){ ranges[0].type = SearchRange_FrontToBack; ranges[0].flags = match_flags; ranges[0].buffer = buffer.buffer_id; ranges[0].start = 0; ranges[0].size = buffer.size; j = 1; } } for (Buffer_Summary buffer_it = app->get_buffer_first(app, AccessAll); buffer_it.exists; app->get_buffer_next(app, &buffer_it, AccessAll)){ if (buffer.buffer_id != buffer_it.buffer_id){ if (search_buffer.buffer_id != buffer_it.buffer_id){ ranges[j].type = SearchRange_FrontToBack; ranges[j].flags = match_flags; ranges[j].buffer = buffer_it.buffer_id; ranges[j].start = 0; ranges[j].size = buffer_it.size; ++j; } } } set.count = j; } Temp_Memory temp = begin_temp_memory(part); Partition line_part = partition_sub_part(part, (4 << 10)); char *str = (char*)partition_current(part); int32_t part_size = 0; int32_t size = 0; for (;;){ Search_Match match = search_next_match(app, &set, &iter); if (match.found_match){ Partial_Cursor word_pos = {0}; if (app->buffer_compute_cursor(app, &match.buffer, seek_pos(match.start), &word_pos)){ int32_t file_len = match.buffer.file_name_len; int32_t line_num_len = int_to_str_size(word_pos.line); int32_t column_num_len = int_to_str_size(word_pos.character); Temp_Memory line_temp = begin_temp_memory(&line_part); String line_str = {0}; read_line(app, &line_part, &match.buffer, word_pos.line, &line_str); line_str = skip_chop_whitespace(line_str); int32_t str_len = file_len + 1 + line_num_len + 1 + column_num_len + 1 + 1 + line_str.size + 1; char *spare = push_array(part, char, str_len); if (spare == 0){ app->buffer_replace_range(app, &search_buffer, size, size, str, part_size); size += part_size; end_temp_memory(temp); temp = begin_temp_memory(part); part_size = 0; spare = push_array(part, char, str_len); } part_size += str_len; String out_line = make_string_cap(spare, 0, str_len); append_ss(&out_line, make_string(match.buffer.file_name, file_len)); append_s_char(&out_line, ':'); append_int_to_str(&out_line, word_pos.line); append_s_char(&out_line, ':'); append_int_to_str(&out_line, word_pos.character); append_s_char(&out_line, ':'); append_s_char(&out_line, ' '); append_ss(&out_line, line_str); append_s_char(&out_line, '\n'); end_temp_memory(line_temp); } } else{ break; } } app->buffer_replace_range(app, &search_buffer, size, size, str, part_size); View_Summary view = app->get_active_view(app, AccessAll); app->view_set_buffer(app, &view, search_buffer.buffer_id, 0); lock_jump_buffer(search_name.str, search_name.size); end_temp_memory(temp); } CUSTOM_COMMAND_SIG(list_all_locations){ generic_search_all_buffers(app, &global_general, &global_part, SearchFlag_MatchWholeWord); } CUSTOM_COMMAND_SIG(list_all_substring_locations){ generic_search_all_buffers(app, &global_general, &global_part, SearchFlag_MatchSubstring); } CUSTOM_COMMAND_SIG(list_all_locations_case_insensitive){ generic_search_all_buffers(app, &global_general, &global_part, SearchFlag_CaseInsensitive | SearchFlag_MatchWholeWord); } CUSTOM_COMMAND_SIG(list_all_substring_locations_case_insensitive){ generic_search_all_buffers(app, &global_general, &global_part, SearchFlag_CaseInsensitive | SearchFlag_MatchSubstring); } struct Word_Complete_State{ Search_Set set; Search_Iter iter; Table hits; String_Space str; int32_t word_start; int32_t word_end; int32_t initialized; }; static Word_Complete_State complete_state = {0}; CUSTOM_COMMAND_SIG(word_complete){ View_Summary view = app->get_active_view(app, AccessOpen); Buffer_Summary buffer = app->get_buffer(app, view.buffer_id, AccessOpen); // NOTE(allen): I just do this because this command is a lot of work // and there is no point in doing any of it if nothing will happen anyway. if (buffer.exists){ int32_t do_init = false; if (view_paste_index[view.view_id].rewrite != RewriteWordComplete){ do_init = true; } view_paste_index[view.view_id].next_rewrite = RewriteWordComplete; if (!complete_state.initialized){ do_init = true; } int32_t word_end = 0; int32_t word_start = 0; int32_t cursor_pos = 0; int32_t size = 0; if (do_init){ // NOTE(allen): Get the range where the // partial word is written. word_end = view.cursor.pos; word_start = word_end; cursor_pos = word_end - 1; char space[1024]; Stream_Chunk chunk = {0}; if (init_stream_chunk(&chunk, app, &buffer, cursor_pos, space, sizeof(space))){ int32_t still_looping = true; do{ for (; cursor_pos >= chunk.start; --cursor_pos){ char c = chunk.data[cursor_pos]; if (char_is_alpha(c)){ word_start = cursor_pos; } else if (!char_is_numeric(c)){ goto double_break; } } still_looping = backward_stream_chunk(&chunk); }while(still_looping); } double_break:; size = word_end - word_start; if (size == 0){ complete_state.initialized = false; return; } // NOTE(allen): Initialize the search iterator // with the partial word. complete_state.initialized = true; search_iter_init(&global_general, &complete_state.iter, size); app->buffer_read_range(app, &buffer, word_start, word_end, complete_state.iter.word.str); complete_state.iter.word.size = size; // NOTE(allen): Initialize the set of ranges to be searched. int32_t buffer_count = app->get_buffer_count(app); search_set_init(&global_general, &complete_state.set, buffer_count); Search_Range *ranges = complete_state.set.ranges; ranges[0].type = SearchRange_Wave; ranges[0].flags = SearchFlag_MatchWordPrefix; ranges[0].buffer = buffer.buffer_id; ranges[0].start = 0; ranges[0].size = buffer.size; ranges[0].mid_start = word_start; ranges[0].mid_size = size; int32_t j = 1; for (Buffer_Summary buffer_it = app->get_buffer_first(app, AccessAll); buffer_it.exists; app->get_buffer_next(app, &buffer_it, AccessAll)){ if (buffer.buffer_id != buffer_it.buffer_id){ ranges[j].type = SearchRange_FrontToBack; ranges[j].flags = SearchFlag_MatchWordPrefix; ranges[j].buffer = buffer_it.buffer_id; ranges[j].start = 0; ranges[j].size = buffer_it.size; ++j; } } complete_state.set.count = j; // NOTE(allen): Initialize the search hit table. search_hits_init(&global_general, &complete_state.hits, &complete_state.str, 100, (4 << 10)); search_hit_add(&global_general, &complete_state.hits, &complete_state.str, complete_state.iter.word.str, complete_state.iter.word.size); complete_state.word_start = word_start; complete_state.word_end = word_end; } else{ word_start = complete_state.word_start; word_end = complete_state.word_end; size = complete_state.iter.word.size; } // NOTE(allen): Iterate through matches. if (size > 0){ for (;;){ int32_t match_size = 0; Search_Match match = search_next_match(app, &complete_state.set, &complete_state.iter); if (match.found_match){ match_size = match.end - match.start; Temp_Memory temp = begin_temp_memory(&global_part); char *spare = push_array(&global_part, char, match_size); app->buffer_read_range(app, &match.buffer, match.start, match.end, spare); if (search_hit_add(&global_general, &complete_state.hits, &complete_state.str, spare, match_size)){ app->buffer_replace_range(app, &buffer, word_start, word_end, spare, match_size); app->view_set_cursor(app, &view, seek_pos(word_start + match_size), true); complete_state.word_end = word_start + match_size; complete_state.set.ranges[0].mid_size = match_size; end_temp_memory(temp); break; } end_temp_memory(temp); } else{ complete_state.iter.pos = 0; complete_state.iter.i = 0; search_hits_init(&global_general, &complete_state.hits, &complete_state.str, 100, (4 << 10)); search_hit_add(&global_general, &complete_state.hits, &complete_state.str, complete_state.iter.word.str, complete_state.iter.word.size); match_size = complete_state.iter.word.size; char *str = complete_state.iter.word.str; app->buffer_replace_range(app, &buffer, word_start, word_end, str, match_size); app->view_set_cursor(app, &view, seek_pos(word_start + match_size), true); complete_state.word_end = word_start + match_size; complete_state.set.ranges[0].mid_size = match_size; break; } } } } } // // // CUSTOM_COMMAND_SIG(execute_arbitrary_command){ // NOTE(allen): This isn't a super powerful version of this command, I will expand // upon it so that it has all the cmdid_* commands by default. However, with this // as an example you have everything you need to make it work already. You could // even use app->memory to create a hash table in the start hook. Query_Bar bar; char space[1024]; bar.prompt = make_lit_string("Command: "); bar.string = make_fixed_width_string(space); if (!query_user_string(app, &bar)) return; // NOTE(allen): Here I chose to end this query bar because when I call another // command it might ALSO have query bars and I don't want this one hanging // around at that point. Since the bar exists on my stack the result of the query // is still available in bar.string though. app->end_query_bar(app, &bar, 0); if (match_ss(bar.string, make_lit_string("open all code"))){ exec_command(app, open_all_code); } else if(match_ss(bar.string, make_lit_string("close all code"))){ exec_command(app, close_all_code); } else if (match_ss(bar.string, make_lit_string("open menu"))){ exec_command(app, cmdid_open_menu); } else if (match_ss(bar.string, make_lit_string("dos lines"))){ exec_command(app, eol_dosify); } else if (match_ss(bar.string, make_lit_string("nix lines"))){ exec_command(app, eol_nixify); } else{ app->print_message(app, literal("unrecognized command\n")); } } // NOTE(allen|a4): scroll rule information // // The parameters: // target_x, target_y // This is where the view would like to be for the purpose of // following the cursor, doing mouse wheel work, etc. // // scroll_x, scroll_y // These are pointers to where the scrolling actually is. If you bind // the scroll rule it is you have to update these in some way to move // the actual location of the scrolling. // // view_id // This corresponds to which view is computing it's new scrolling position. // This id DOES correspond to the views that View_Summary contains. // This will always be between 1 and 16 (0 is a null id). // See below for an example of having state that carries across scroll udpates. // // is_new_target // If the target of the view is different from the last target in either x or y // this is true, otherwise it is false. // // The return: // Should be true if and only if scroll_x or scroll_y are changed. // // Don't try to use the app pointer in a scroll rule, you're asking for trouble. // // If you don't bind scroll_rule, nothing bad will happen, yo will get default // 4coder scrolling behavior. // struct Scroll_Velocity{ float x, y; }; Scroll_Velocity scroll_velocity_[16] = {0}; Scroll_Velocity *scroll_velocity = scroll_velocity_ - 1; static int32_t smooth_camera_step(float target, float *current, float *vel, float S, float T){ int32_t result = 0; float curr = *current; float v = *vel; if (curr != target){ if (curr > target - .1f && curr < target + .1f){ curr = target; v = 1.f; } else{ float L = curr + T*(target - curr); int32_t sign = (target > curr) - (target < curr); float V = curr + sign*v; if (sign > 0) curr = (LV)?(L):(V); if (curr == V){ v *= S; } } *current = curr; *vel = v; result = 1; } return(result); } SCROLL_RULE_SIG(smooth_scroll_rule){ Scroll_Velocity *velocity = scroll_velocity + view_id; int32_t result = 0; if (velocity->x == 0.f){ velocity->x = 1.f; velocity->y = 1.f; } if (smooth_camera_step(target_y, scroll_y, &velocity->y, 80.f, 1.f/2.f)){ result = 1; } if (smooth_camera_step(target_x, scroll_x, &velocity->x, 80.f, 1.f/2.f)){ result = 1; } return(result); } // NOTE(allen|a4.0.9): All command calls can now go through this hook // If this hook is not implemented a default behavior of calling the // command is used. It is important to note that paste_next does not // work without this hook. // NOTE(allen|a4.0.10): As of this version the word_complete command // also relies on this particular command caller hook. COMMAND_CALLER_HOOK(default_command_caller){ View_Summary view = app->get_active_view(app, AccessAll); view_paste_index[view.view_id].next_rewrite = false; exec_command(app, cmd); view_paste_index[view.view_id].rewrite = view_paste_index[view.view_id].next_rewrite; return(0); } #endif