4coder/4coder_clipboard.cpp

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/*
4coder_clipboard.cpp - Copy paste commands and clipboard related setup.
*/
// TOP
static bool32
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post_buffer_range_to_clipboard(Application_Links *app, Partition *scratch, int32_t clipboard_index,
Buffer_Summary *buffer, int32_t first, int32_t one_past_last){
bool32 success = false;
if (buffer->exists &&
0 <= first && first < one_past_last && one_past_last <= buffer->size){
Temp_Memory temp = begin_temp_memory(scratch);
int32_t size = one_past_last - first;
char *str = push_array(scratch, char, size);
if (str != 0){
buffer_read_range(app, buffer, first, one_past_last, str);
clipboard_post(app, clipboard_index, str, size);
success = true;
}
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end_temp_memory(temp);
}
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return(success);
}
CUSTOM_COMMAND_SIG(copy)
CUSTOM_DOC("Copy the text in the range from the cursor to the mark onto the clipboard.")
{
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View_Summary view = get_active_view(app, AccessProtected);
Buffer_Summary buffer = get_buffer(app, view.buffer_id, AccessProtected);
Range range = get_view_range(&view);
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post_buffer_range_to_clipboard(app, &global_part, 0, &buffer, range.min, range.max);
}
CUSTOM_COMMAND_SIG(cut)
CUSTOM_DOC("Cut the text in the range from the cursor to the mark onto the clipboard.")
{
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View_Summary view = get_active_view(app, AccessOpen);
Buffer_Summary buffer = get_buffer(app, view.buffer_id, AccessOpen);
Range range = get_view_range(&view);
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if (post_buffer_range_to_clipboard(app, &global_part, 0, &buffer, range.min, range.max)){
buffer_replace_range(app, &buffer, range.min, range.max, 0, 0);
}
}
CUSTOM_COMMAND_SIG(paste)
CUSTOM_DOC("At the cursor, insert the text at the top of the clipboard.")
{
uint32_t access = AccessOpen;
int32_t count = clipboard_count(app, 0);
if (count > 0){
View_Summary view = get_active_view(app, access);
Dynamic_Scope scope = view_get_dynamic_scope(app, view.view_id);
managed_variable_set(app, scope, view_next_rewrite_loc, RewritePaste);
int32_t paste_index = 0;
managed_variable_set(app, scope, view_paste_index_loc, paste_index);
int32_t len = clipboard_index(app, 0, paste_index, 0, 0);
char *str = 0;
if (len <= app->memory_size){
str = (char*)app->memory;
}
if (str){
clipboard_index(app, 0, paste_index, str, len);
Buffer_Summary buffer = get_buffer(app, view.buffer_id, access);
int32_t pos = view.cursor.pos;
buffer_replace_range(app, &buffer, pos, pos, str, len);
view_set_mark(app, &view, seek_pos(pos));
view_set_cursor(app, &view, seek_pos(pos + len), true);
// TODO(allen): Send this to all views.
Theme_Color paste;
paste.tag = Stag_Paste;
get_theme_colors(app, &paste, 1);
view_post_fade(app, &view, 0.667f, pos, pos + len, paste.color);
}
}
}
CUSTOM_COMMAND_SIG(paste_next)
CUSTOM_DOC("If the previous command was paste or paste_next, replaces the paste range with the next text down on the clipboard, otherwise operates as the paste command.")
{
uint32_t access = AccessOpen;
int32_t count = clipboard_count(app, 0);
if (count > 0){
View_Summary view = get_active_view(app, access);
Dynamic_Scope scope = view_get_dynamic_scope(app, view.view_id);
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uint64_t rewrite = 0;
managed_variable_get(app, scope, view_rewrite_loc, &rewrite);
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if (rewrite == RewritePaste){
managed_variable_set(app, scope, view_next_rewrite_loc, RewritePaste);
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uint64_t prev_paste_index = 0;
managed_variable_get(app, scope, view_paste_index_loc, &prev_paste_index);
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int32_t paste_index = (int32_t)prev_paste_index + 1;
managed_variable_set(app, scope, view_paste_index_loc, paste_index);
int32_t len = clipboard_index(app, 0, paste_index, 0, 0);
char *str = 0;
if (len <= app->memory_size){
str = (char*)app->memory;
}
if (str != 0){
clipboard_index(app, 0, paste_index, str, len);
Buffer_Summary buffer = get_buffer(app, view.buffer_id, access);
Range range = get_view_range(&view);
int32_t pos = range.min;
buffer_replace_range(app, &buffer, range.min, range.max, str, len);
view_set_cursor(app, &view, seek_pos(pos + len), true);
// TODO(allen): Send this to all views.
Theme_Color paste;
paste.tag = Stag_Paste;
get_theme_colors(app, &paste, 1);
view_post_fade(app, &view, 0.667f, pos, pos + len, paste.color);
}
}
else{
exec_command(app, paste);
}
}
}
CUSTOM_COMMAND_SIG(paste_and_indent)
CUSTOM_DOC("Paste from the top of clipboard and run auto-indent on the newly pasted text.")
{
paste(app);
auto_tab_range(app);
}
CUSTOM_COMMAND_SIG(paste_next_and_indent)
CUSTOM_DOC("Paste the next item on the clipboard and run auto-indent on the newly pasted text.")
{
paste_next(app);
auto_tab_range(app);
}
// BOTTOM