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4coder/4ed.cpp

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/*
* Mr. 4th Dimention - Allen Webster
*
* 12.12.2014
*
* Application layer for project codename "4ed"
*
*/
// TOP
internal void
output_file_append(Thread_Context *tctx, Models *models, Editing_File *file, String_Const_u8 value){
i64 end = buffer_size(&file->state.buffer);
Edit_Behaviors behaviors = {};
edit_single(tctx, models, file, Ii64(end), value, behaviors);
}
internal void
file_cursor_to_end(Thread_Context *tctx, Models *models, Editing_File *file){
Assert(file != 0);
i64 pos = buffer_size(&file->state.buffer);
Layout *layout = &models->layout;
for (Panel *panel = layout_get_first_open_panel(layout);
panel != 0;
panel = layout_get_next_open_panel(layout, panel)){
View *view = panel->view;
if (view->file != file){
continue;
}
view_set_cursor(tctx, models, view, pos);
view->mark = pos;
}
}
// Commands
#define USE_VARS(n) App_Vars *n = command->vars
#define USE_FILE(n,v) Editing_File *n = (v)->file_data.file
#define USE_PANEL(n) Panel *n = 0; do{ \
i32 panel_index = command->models->layout.active_panel; \
n = command->models->layout.panels + panel_index; \
}while(false)
#define USE_VIEW(n) View *n = 0; do{ \
i32 panel_index = command->models->layout.active_panel; \
Panel *__panel__ = command->models->layout.panels + panel_index; \
n = __panel__->view; \
}while(false)
#define REQ_OPEN_VIEW(n) USE_VIEW(n); if (view_lock_flags(n) != 0) return
#define REQ_FILE(n,v) Editing_File *n = (v)->file_data.file; if (n == 0) return
#define REQ_FILE_HISTORY(n,v) Editing_File *n = (v)->file_data.file; if (n == 0 || n->state.undo.undo.edits == 0) return
DELTA_RULE_SIG(fallback_scroll_rule){
return(pending);
}
#include "4ed_api_implementation.cpp"
// App Functions
internal void
fill_hardcode_default_style(Color_Table color_table){
color_table.vals[Stag_Back] = 0xFF0C0C0C;
color_table.vals[Stag_Margin] = 0xFF181818;
color_table.vals[Stag_Margin_Hover] = 0xFF252525;
color_table.vals[Stag_Margin_Active] = 0xFF323232;
color_table.vals[Stag_List_Item] = color_table.vals[Stag_Margin];
color_table.vals[Stag_List_Item_Hover] = color_table.vals[Stag_Margin_Hover];
color_table.vals[Stag_List_Item_Active] = color_table.vals[Stag_Margin_Active];
color_table.vals[Stag_Cursor] = 0xFF00EE00;
color_table.vals[Stag_Highlight] = 0xFFDDEE00;
color_table.vals[Stag_Mark] = 0xFF494949;
color_table.vals[Stag_Default] = 0xFF90B080;
color_table.vals[Stag_At_Cursor] = color_table.vals[Stag_Back];
color_table.vals[Stag_Highlight_Cursor_Line] = 0xFF1E1E1E;
color_table.vals[Stag_At_Highlight] = 0xFFFF44DD;
color_table.vals[Stag_Comment] = 0xFF2090F0;
color_table.vals[Stag_Keyword] = 0xFFD08F20;
color_table.vals[Stag_Str_Constant] = 0xFF50FF30;
color_table.vals[Stag_Char_Constant] = color_table.vals[Stag_Str_Constant];
color_table.vals[Stag_Int_Constant] = color_table.vals[Stag_Str_Constant];
color_table.vals[Stag_Float_Constant] = color_table.vals[Stag_Str_Constant];
color_table.vals[Stag_Bool_Constant] = color_table.vals[Stag_Str_Constant];
color_table.vals[Stag_Include] = color_table.vals[Stag_Str_Constant];
color_table.vals[Stag_Preproc] = color_table.vals[Stag_Default];
color_table.vals[Stag_Special_Character] = 0xFFFF0000;
color_table.vals[Stag_Ghost_Character] = color_blend(color_table.vals[Stag_Default],
0.5f,
color_table.vals[Stag_Back]);
color_table.vals[Stag_Paste] = 0xFFDDEE00;
color_table.vals[Stag_Undo] = 0xFF00DDEE;
color_table.vals[Stag_Highlight_Junk] = 0xff3a0000;
color_table.vals[Stag_Highlight_White] = 0xff003a3a;
color_table.vals[Stag_Bar] = 0xFF888888;
color_table.vals[Stag_Base] = 0xFF000000;
color_table.vals[Stag_Pop1] = 0xFF3C57DC;
color_table.vals[Stag_Pop2] = 0xFFFF0000;
color_table.vals[Stag_Back_Cycle_1] = 0x10A00000;
color_table.vals[Stag_Back_Cycle_2] = 0x0C00A000;
color_table.vals[Stag_Back_Cycle_3] = 0x0C0000A0;
color_table.vals[Stag_Back_Cycle_4] = 0x0CA0A000;
color_table.vals[Stag_Text_Cycle_1] = 0xFFA00000;
color_table.vals[Stag_Text_Cycle_2] = 0xFF00A000;
color_table.vals[Stag_Text_Cycle_3] = 0xFF0030B0;
color_table.vals[Stag_Text_Cycle_4] = 0xFFA0A000;
color_table.vals[Stag_Line_Numbers_Back] = 0xFF101010;
color_table.vals[Stag_Line_Numbers_Text] = 0xFF404040;
}
internal void
app_hardcode_default_style(Models *models){
Color_Table color_table = {};
color_table.count = Stag_COUNT;
color_table.vals = push_array(models->arena, u32, color_table.count);
fill_hardcode_default_style(color_table);
models->fallback_color_table = color_table;
}
internal void
init_command_line_settings(App_Settings *settings, Plat_Settings *plat_settings, i32 argc, char **argv){
char *arg = 0;
Command_Line_Mode mode = CLMode_App;
Command_Line_Action action = CLAct_Nothing;
b32 strict = false;
settings->init_files_max = ArrayCount(settings->init_files);
for (i32 i = 1; i <= argc; ++i){
if (i == argc){
arg = "";
}
else{
arg = argv[i];
}
if (arg[0] == '-' && arg[1] == '-'){
char *long_arg_name = arg+2;
if (string_match(SCu8(long_arg_name),
string_u8_litexpr("custom"))){
mode = CLMode_Custom;
continue;
}
}
switch (mode){
case CLMode_App:
{
switch (action){
case CLAct_Nothing:
{
if (arg[0] == '-'){
action = CLAct_Ignore;
switch (arg[1]){
case 'd': action = CLAct_CustomDLL; strict = false; break;
case 'D': action = CLAct_CustomDLL; strict = true; break;
case 'i': action = CLAct_InitialFilePosition; break;
case 'w': action = CLAct_WindowSize; break;
case 'W': action = CLAct_WindowMaximize; break;
case 'p': action = CLAct_WindowPosition; break;
case 'F': action = CLAct_WindowFullscreen; break;
case 'f': action = CLAct_FontSize; break;
case 'h': action = CLAct_FontUseHinting; --i; break;
}
}
else if (arg[0] != 0){
if (settings->init_files_count < settings->init_files_max){
i32 index = settings->init_files_count++;
settings->init_files[index] = arg;
}
}
}break;
case CLAct_CustomDLL:
{
plat_settings->custom_dll_is_strict = (b8)strict;
if (i < argc){
plat_settings->custom_dll = argv[i];
}
action = CLAct_Nothing;
}break;
case CLAct_InitialFilePosition:
{
if (i < argc){
settings->initial_line = (i32)string_to_integer(SCu8(argv[i]), 10);
}
action = CLAct_Nothing;
}break;
case CLAct_WindowSize:
{
if (i + 1 < argc){
plat_settings->set_window_size = true;
i32 w = (i32)string_to_integer(SCu8(argv[i]), 10);
i32 h = (i32)string_to_integer(SCu8(argv[i + 1]), 10);
if (w > 0){
plat_settings->window_w = w;
}
if (h > 0){
plat_settings->window_h = h;
}
++i;
}
action = CLAct_Nothing;
}break;
case CLAct_WindowMaximize:
{
--i;
plat_settings->maximize_window = true;
action = CLAct_Nothing;
}break;
case CLAct_WindowPosition:
{
if (i + 1 < argc){
plat_settings->set_window_pos = true;
i32 x = (i32)string_to_integer(SCu8(argv[i]), 10);
i32 y = (i32)string_to_integer(SCu8(argv[i + 1]), 10);
if (x > 0){
plat_settings->window_x = x;
}
if (y > 0){
plat_settings->window_y = y;
}
++i;
}
action = CLAct_Nothing;
}break;
case CLAct_WindowFullscreen:
{
--i;
plat_settings->fullscreen_window = true;
action = CLAct_Nothing;
}break;
case CLAct_FontSize:
{
if (i < argc){
settings->font_size = (i32)string_to_integer(SCu8(argv[i]), 10);
}
action = CLAct_Nothing;
}break;
case CLAct_FontUseHinting:
{
plat_settings->use_hinting = true;
settings->use_hinting = plat_settings->use_hinting;
action = CLAct_Nothing;
}break;
}
}break;
case CLMode_Custom:
{
settings->custom_flags = argv + i;
settings->custom_flags_count = argc - i;
i = argc;
mode = CLMode_App;
}break;
}
}
}
////////////////////////////////
internal Models*
models_init(void){
Arena arena = make_arena_system();
Models *models = push_array_zero(&arena, Models, 1);
models->arena_ = arena;
models->arena = &models->arena_;
heap_init(&models->heap, get_base_allocator_system());
return(models);
}
internal void
app_load_vtables(API_VTable_system *vtable_system,
API_VTable_font *vtable_font,
API_VTable_graphics *vtable_graphics){
system_api_read_vtable(vtable_system);
font_api_read_vtable(vtable_font);
graphics_api_read_vtable(vtable_graphics);
}
internal Log_Function*
app_get_logger(void){
log_init();
return(log_string);
}
App_Read_Command_Line_Sig(app_read_command_line){
Models *models = models_init();
App_Settings *settings = &models->settings;
block_zero_struct(settings);
if (argc > 1){
init_command_line_settings(&models->settings, plat_settings, argc, argv);
}
*files = models->settings.init_files;
*file_count = &models->settings.init_files_count;
return(models);
}
App_Init_Sig(app_init){
Models *models = (Models*)base_ptr;
models->keep_playing = true;
models->config_api = api;
API_VTable_custom custom_vtable = {};
custom_api_fill_vtable(&custom_vtable);
API_VTable_system system_vtable = {};
system_api_fill_vtable(&system_vtable);
Custom_Layer_Init_Type *custom_init = api.init_apis(&custom_vtable, &system_vtable);
Assert(custom_init != 0);
Application_Links app = {};
app.tctx = tctx;
app.cmd_context = models;
custom_init(&app);
// NOTE(allen): coroutines
coroutine_system_init(&models->coroutines);
// NOTE(allen): font set
font_set_init(&models->font_set);
// NOTE(allen): live set
Arena *arena = models->arena;
{
models->live_set.count = 0;
models->live_set.max = MAX_VIEWS;
models->live_set.views = push_array(arena, View, models->live_set.max);
//dll_init_sentinel
models->live_set.free_sentinel.next = &models->live_set.free_sentinel;
models->live_set.free_sentinel.prev = &models->live_set.free_sentinel;
i32 max = models->live_set.max;
View *view = models->live_set.views;
for (i32 i = 0; i < max; ++i, ++view){
//dll_insert(&models->live_set.free_sentinel, view);
view->next = models->live_set.free_sentinel.next;
view->prev = &models->live_set.free_sentinel;
models->live_set.free_sentinel.next = view;
view->next->prev = view;
}
}
managed_ids_init(tctx->allocator, &models->managed_id_set);
lifetime_allocator_init(tctx->allocator, &models->lifetime_allocator);
dynamic_workspace_init(&models->lifetime_allocator, DynamicWorkspace_Global, 0, &models->dynamic_workspace);
// NOTE(allen): file setup
working_set_init(models, &models->working_set);
Mutex_Lock file_order_lock(models->working_set.mutex);
// NOTE(allen):
global_history_init(&models->global_history);
text_layout_init(tctx, &models->text_layouts);
// NOTE(allen): clipboard setup
models->working_set.clipboard_max_size = ArrayCount(models->working_set.clipboards);
models->working_set.clipboard_size = 0;
models->working_set.clipboard_current = 0;
models->working_set.clipboard_rolling = 0;
// TODO(allen): do(better clipboard allocation)
if (clipboard.str != 0){
String_Const_u8 *dest = working_set_next_clipboard_string(&models->heap, &models->working_set, clipboard.size);
block_copy(dest->str, clipboard.str, clipboard.size);
}
// NOTE(allen): style setup
{
Face_Description description = {};
description.font.file_name = string_u8_litexpr("liberation-mono.ttf");
description.font.in_4coder_font_folder = true;
description.parameters.pt_size = 12;
Face *new_face = font_set_new_face(&models->font_set, &description);
models->global_face_id = new_face->id;
}
app_hardcode_default_style(models);
// NOTE(allen): title space
models->has_new_title = true;
models->title_capacity = KB(4);
models->title_space = push_array(arena, char, models->title_capacity);
block_copy(models->title_space, WINDOW_NAME, sizeof(WINDOW_NAME));
// NOTE(allen): init baked in buffers
File_Init init_files[] = {
{ string_u8_litinit("*messages*"), &models->message_buffer, true , },
{ string_u8_litinit("*scratch*") , &models->scratch_buffer, false, },
{ string_u8_litinit("*log*") , &models->log_buffer , true , },
};
Heap *heap = &models->heap;
for (i32 i = 0; i < ArrayCount(init_files); ++i){
Editing_File *file = working_set_allocate_file(&models->working_set, &models->lifetime_allocator);
buffer_bind_name(tctx, models, arena, &models->working_set, file, init_files[i].name);
if (init_files[i].ptr != 0){
*init_files[i].ptr = file;
}
File_Attributes attributes = {};
file_create_from_string(tctx, models, file, SCu8(), attributes);
if (init_files[i].read_only){
file->settings.read_only = true;
history_free(tctx, &file->state.history);
}
file->settings.never_kill = true;
file_set_unimportant(file, true);
}
// NOTE(allen): setup first panel
{
Panel *panel = layout_initialize(arena, &models->layout);
View *new_view = live_set_alloc_view(&models->lifetime_allocator, &models->live_set, panel);
view_init(tctx, models, new_view, models->scratch_buffer, models->view_event_handler);
}
// NOTE(allen): miscellaneous init
hot_directory_init(arena, &models->hot_directory, current_directory);
child_process_container_init(tctx->allocator, &models->child_processes);
models->period_wakeup_timer = system_wake_up_timer_create();
}
App_Step_Sig(app_step){
Models *models = (Models*)base_ptr;
Mutex_Lock file_order_lock(models->working_set.mutex);
Scratch_Block scratch(tctx, Scratch_Share);
models->next_animate_delay = max_u32;
models->animate_next_frame = false;
// NOTE(allen): per-frame update of models state
begin_frame(target, &models->font_set);
models->target = target;
models->input = input;
// NOTE(allen): OS clipboard event handling
String_Const_u8 clipboard = input->clipboard;
if (clipboard.str != 0){
String_Const_u8 *dest = working_set_next_clipboard_string(&models->heap, &models->working_set, clipboard.size);
dest->size = eol_convert_in((char*)dest->str, (char*)clipboard.str, (i32)clipboard.size);
if (input->clipboard_changed){
co_send_core_event(tctx, models, CoreCode_NewClipboardContents, *dest);
}
}
// NOTE(allen): reorganizing panels on screen
Vec2_i32 prev_dim = layout_get_root_size(&models->layout);
Vec2_i32 current_dim = V2i32(target->width, target->height);
layout_set_root_size(&models->layout, current_dim);
// NOTE(allen): update child processes
f32 dt = input->dt;
if (dt > 0){
Temp_Memory_Block temp(scratch);
Child_Process_Container *child_processes = &models->child_processes;
Child_Process **processes_to_free = push_array(scratch, Child_Process*, child_processes->active_child_process_count);
i32 processes_to_free_count = 0;
u32 max = KB(128);
char *dest = push_array(scratch, char, max);
for (Node *node = child_processes->child_process_active_list.next;
node != &child_processes->child_process_active_list;
node = node->next){
Child_Process *child_process = CastFromMember(Child_Process, node, node);
Editing_File *file = child_process->out_file;
CLI_Handles *cli = &child_process->cli;
// TODO(allen): do(call a 'child process updated hook' let that hook populate the buffer if it so chooses)
b32 edited_file = false;
u32 amount = 0;
system_cli_begin_update(cli);
if (system_cli_update_step(cli, dest, max, &amount)){
if (file != 0 && amount > 0){
amount = eol_in_place_convert_in(dest, amount);
output_file_append(tctx, models, file, SCu8(dest, amount));
edited_file = true;
}
}
if (system_cli_end_update(cli)){
if (file != 0){
String_Const_u8 str = push_u8_stringf(scratch, "exited with code %d", cli->exit);
output_file_append(tctx, models, file, str);
edited_file = true;
}
processes_to_free[processes_to_free_count++] = child_process;
child_process_set_return_code(models, child_processes, child_process->id, cli->exit);
}
if (child_process->cursor_at_end && file != 0){
file_cursor_to_end(tctx, models, file);
}
}
for (i32 i = 0; i < processes_to_free_count; ++i){
child_process_free(child_processes, processes_to_free[i]->id);
}
}
// NOTE(allen): simulated events
Input_List input_list = input->events;
Input_Modifier_Set modifiers = system_get_keyboard_modifiers(scratch);
if (input->mouse.press_l){
Input_Event event = {};
event.kind = InputEventKind_MouseButton;
event.mouse.code = MouseCode_Left;
event.mouse.p = input->mouse.p;
event.mouse.modifiers = copy_modifier_set(scratch, &modifiers);
push_input_event(scratch, &input_list, &event);
}
else if (input->mouse.release_l){
Input_Event event = {};
event.kind = InputEventKind_MouseButtonRelease;
event.mouse.code = MouseCode_Left;
event.mouse.p = input->mouse.p;
event.mouse.modifiers = copy_modifier_set(scratch, &modifiers);
push_input_event(scratch, &input_list, &event);
}
if (input->mouse.press_r){
Input_Event event = {};
event.kind = InputEventKind_MouseButton;
event.mouse.code = MouseCode_Right;
event.mouse.p = input->mouse.p;
event.mouse.modifiers = copy_modifier_set(scratch, &modifiers);
push_input_event(scratch, &input_list, &event);
}
else if (input->mouse.release_r){
Input_Event event = {};
event.kind = InputEventKind_MouseButtonRelease;
event.mouse.code = MouseCode_Right;
event.mouse.p = input->mouse.p;
event.mouse.modifiers = copy_modifier_set(scratch, &modifiers);
push_input_event(scratch, &input_list, &event);
}
if (input->mouse.wheel != 0){
Input_Event event = {};
event.kind = InputEventKind_MouseWheel;
event.mouse_wheel.value = (f32)(input->mouse.wheel);
event.mouse_wheel.p = input->mouse.p;
event.mouse.modifiers = copy_modifier_set(scratch, &modifiers);
push_input_event(scratch, &input_list, &event);
}
if (input->mouse.p != models->prev_p){
b32 was_in_window = rect_contains_point(Ri32(0, 0, prev_dim.x, prev_dim.y), models->prev_p);
b32 is_in_window = rect_contains_point(Ri32(0, 0, current_dim.x, current_dim.y), input->mouse.p);
if (is_in_window || was_in_window){
Input_Event event = {};
event.kind = InputEventKind_MouseMove;
event.mouse_move.p = input->mouse.p;
event.mouse.modifiers = copy_modifier_set(scratch, &modifiers);
push_input_event(scratch, &input_list, &event);
}
}
if (models->animated_last_frame){
Input_Event event = {};
event.kind = InputEventKind_Core;
event.core.code = CoreCode_Animate;
push_input_event(scratch, &input_list, &event);
}
// NOTE(allen): expose layout
Layout *layout = &models->layout;
// NOTE(allen): mouse hover status
Panel *mouse_panel = 0;
Panel *divider_panel = 0;
b32 mouse_in_margin = false;
Vec2_i32 mouse = input->mouse.p;
{
for (Panel *panel = layout_get_first_open_panel(layout);
panel != 0;
panel = layout_get_next_open_panel(layout, panel)){
if (rect_contains_point(panel->rect_full, mouse)){
mouse_panel = panel;
if (!rect_contains_point(panel->rect_inner, mouse)){
mouse_in_margin = true;
for (divider_panel = mouse_panel->parent;
divider_panel != 0;
divider_panel = divider_panel->parent){
if (rect_contains_point(divider_panel->rect_inner, mouse)){
break;
}
}
}
}
if (mouse_panel != 0){
break;
}
}
}
// NOTE(allen): First frame initialization
if (input->first_step){
Temp_Memory_Block temp(scratch);
String_Const_u8_Array file_names = {};
file_names.count = models->settings.init_files_count;
file_names.vals = push_array(scratch, String_Const_u8, file_names.count);
for (i32 i = 0; i < file_names.count; i += 1){
file_names.vals[i] = SCu8(models->settings.init_files[i]);
}
String_Const_u8_Array flags = {};
flags.count = models->settings.custom_flags_count;
flags.vals = push_array(scratch, String_Const_u8, flags.count);
for (i32 i = 0; i < flags.count; i += 1){
flags.vals[i] = SCu8(models->settings.custom_flags[i]);
}
Input_Event event = {};
event.kind = InputEventKind_Core;
event.core.code = CoreCode_Startup;
event.core.flag_strings = flags;
event.core.file_names = file_names;
co_send_event(tctx, models, &event);
}
// NOTE(allen): consume event stream
for (Input_Event_Node *node = input_list.first;
node != 0;
node = node->next){
b32 event_was_handled = false;
Input_Event *event = &node->event;
if (event->kind == InputEventKind_TextInsert &&
event->text.blocked){
continue;
}
Panel *active_panel = layout_get_active_panel(layout);
View *view = active_panel->view;
Assert(view != 0);
switch (models->state){
case APP_STATE_EDIT:
{
typedef i32 Event_Consume_Rule;
enum{
EventConsume_None,
EventConsume_BeginResize,
EventConsume_ClickChangeView,
EventConsume_CustomCommand,
};
Event_Consume_Rule consume_rule = EventConsume_CustomCommand;
if (match_mouse_code(event, MouseCode_Left) && (divider_panel != 0)){
consume_rule = EventConsume_BeginResize;
}
else if (match_mouse_code(event, MouseCode_Left) &&
mouse_panel != 0 && mouse_panel != active_panel){
consume_rule = EventConsume_ClickChangeView;
}
switch (consume_rule){
case EventConsume_BeginResize:
{
models->state = APP_STATE_RESIZING;
models->resizing_intermediate_panel = divider_panel;
event_was_handled = true;
}break;
case EventConsume_ClickChangeView:
{
// NOTE(allen): run deactivate command
co_send_core_event(tctx, models, view, CoreCode_ClickDeactivateView);
layout->active_panel = mouse_panel;
models->animate_next_frame = true;
active_panel = mouse_panel;
view = active_panel->view;
// NOTE(allen): run activate command
co_send_core_event(tctx, models, view, CoreCode_ClickActivateView);
event_was_handled = true;
}break;
case EventConsume_CustomCommand:
{
event_was_handled = co_send_event(tctx, models, view, event);
}break;
}
}break;
case APP_STATE_RESIZING:
{
Event_Property event_flags = get_event_properties(event);
if (HasFlag(event_flags, EventProperty_AnyKey) ||
match_mouse_code_release(event, MouseCode_Left)){
models->state = APP_STATE_EDIT;
}
else if (event->kind == InputEventKind_MouseMove){
if (input->mouse.l){
Panel *split = models->resizing_intermediate_panel;
Range_i32 limits = layout_get_limiting_range_on_split(layout, split);
i32 mouse_position = (split->vertical_split)?(mouse.x):(mouse.y);
mouse_position = clamp(limits.min, mouse_position, limits.max);
layout_set_split_absolute_position(layout, split, mouse_position);
}
else{
models->state = APP_STATE_EDIT;
}
}
}break;
}
if (event_was_handled && event->kind == InputEventKind_KeyStroke){
for (Input_Event *dependent_text = event->key.first_dependent_text;
dependent_text != 0;
dependent_text = dependent_text->text.next_text){
Assert(dependent_text->kind == InputEventKind_TextInsert);
dependent_text->text.blocked = true;
}
}
}
// NOTE(allen): send panel size update
if (models->layout.panel_state_dirty){
models->layout.panel_state_dirty = false;
if (models->buffer_viewer_update != 0){
Application_Links app = {};
app.tctx = tctx;
app.cmd_context = models;
models->buffer_viewer_update(&app);
}
}
// NOTE(allen): dt
f32 literal_dt = 0.f;
u64 now_usecond_stamp = system_now_time();
if (!input->first_step){
u64 elapsed_useconds = now_usecond_stamp - models->last_render_usecond_stamp;
literal_dt = (f32)((f64)(elapsed_useconds)/1000000.f);
}
models->last_render_usecond_stamp = now_usecond_stamp;
f32 animation_dt = 0.f;
if (models->animated_last_frame){
animation_dt = literal_dt;
}
// NOTE(allen): on the first frame there should be no scrolling
if (input->first_step){
for (Panel *panel = layout_get_first_open_panel(layout);
panel != 0;
panel = layout_get_next_open_panel(layout, panel)){
View *view = panel->view;
File_Edit_Positions edit_pos = view_get_edit_pos(view);
edit_pos.scroll.position = view_normalize_buffer_point(tctx, models, view, edit_pos.scroll.target);
block_zero_struct(&edit_pos.scroll.target);
view_set_edit_pos(view, edit_pos);
}
}
// NOTE(allen): hook for files reloaded
{
Working_Set *working_set = &models->working_set;
Assert(working_set->has_external_mod_sentinel.next != 0);
if (working_set->has_external_mod_sentinel.next != &working_set->has_external_mod_sentinel){
for (Node *node = working_set->has_external_mod_sentinel.next, *next = 0;
node != &working_set->has_external_mod_sentinel;
node = next){
next = node->next;
Editing_File *file = CastFromMember(Editing_File, external_mod_node, node);
dll_remove(node);
block_zero_struct(node);
co_send_core_event(tctx, models, CoreCode_FileExternallyModified, file->id);
}
}
}
// NOTE(allen): if the exit signal has been sent, run the exit hook.
if (input->trying_to_kill){
models->keep_playing = false;
}
if (!models->keep_playing){
if (co_send_core_event(tctx, models, CoreCode_TryExit)){
models->keep_playing = true;
}
}
// NOTE(allen): rendering
{
Frame_Info frame = {};
frame.index = models->frame_counter;
frame.literal_dt = literal_dt;
frame.animation_dt = animation_dt;
{
Color_Table color_table = models->fallback_color_table;
#if 0
if (models->modify_color_table != 0){
color_table = models->modify_color_table(&models->app_links, frame);
if (color_table.count < models->fallback_color_table.count){
block_copy(models->fallback_color_table.vals, color_table.vals, color_table.count*sizeof(*color_table.vals));
color_table = models->fallback_color_table;
}
}
#endif
models->color_table = color_table;
}
begin_render_section(target, models->frame_counter, literal_dt, animation_dt);
models->in_render_mode = true;
Live_Views *live_views = &models->live_set;
for (Node *node = layout->open_panels.next;
node != &layout->open_panels;
node = node->next){
Panel *panel = CastFromMember(Panel, node, node);
View *view = panel->view;
View_Context_Node *ctx = view->ctx;
if (ctx != 0){
Render_Caller_Function *render_caller = ctx->ctx.render_caller;
if (render_caller != 0){
Application_Links app = {};
app.tctx = tctx;
app.cmd_context = models;
render_caller(&app, frame, view_get_id(live_views, view));
}
}
}
models->in_render_mode = false;
end_render_section(target);
}
// NOTE(allen): flush the log
log_flush(tctx, models);
// NOTE(allen): set the app_result
Application_Step_Result app_result = {};
app_result.mouse_cursor_type = APP_MOUSE_CURSOR_DEFAULT;
app_result.lctrl_lalt_is_altgr = models->settings.lctrl_lalt_is_altgr;
// NOTE(allen): get new window title
if (models->has_new_title){
models->has_new_title = false;
app_result.has_new_title = true;
app_result.title_string = models->title_space;
}
// NOTE(allen): get cursor type
if (mouse_panel != 0 && !mouse_in_margin){
app_result.mouse_cursor_type = APP_MOUSE_CURSOR_ARROW;
}
else if (divider_panel != 0){
if (divider_panel->vertical_split){
app_result.mouse_cursor_type = APP_MOUSE_CURSOR_LEFTRIGHT;
}
else{
app_result.mouse_cursor_type = APP_MOUSE_CURSOR_UPDOWN;
}
}
else{
app_result.mouse_cursor_type = APP_MOUSE_CURSOR_ARROW;
}
models->prev_mouse_panel = mouse_panel;
app_result.lctrl_lalt_is_altgr = models->settings.lctrl_lalt_is_altgr;
app_result.perform_kill = !models->keep_playing;
app_result.animating = models->animate_next_frame;
if (models->animate_next_frame){
// NOTE(allen): Silence the timer, because we're going to do another frame right away anyways.
system_wake_up_timer_set(models->period_wakeup_timer, max_u32);
}
else{
// NOTE(allen): Set the timer's wakeup period, possibly to max_u32 thus effectively silencing it.
system_wake_up_timer_set(models->period_wakeup_timer, models->next_animate_delay);
}
// NOTE(allen): Update Frame to Frame States
models->prev_p = input->mouse.p;
models->animated_last_frame = app_result.animating;
models->frame_counter += 1;
// end-of-app_step
return(app_result);
}
extern "C" App_Get_Functions_Sig(app_get_functions){
App_Functions result = {};
result.load_vtables = app_load_vtables;
result.get_logger = app_get_logger;
result.read_command_line = app_read_command_line;
result.init = app_init;
result.step = app_step;
return(result);
}
// BOTTOM
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