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4coder/4coder_default_hooks.cpp

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/*
4coder_default_hooks.cpp - Sets up the hooks for the default framework.
*/
// TOP
#include "languages/4coder_language_cpp.h"
#include "languages/4coder_language_rust.h"
#include "languages/4coder_language_cs.h"
#include "languages/4coder_language_java.h"
CUSTOM_COMMAND_SIG(set_bindings_choose);
CUSTOM_COMMAND_SIG(set_bindings_default);
CUSTOM_COMMAND_SIG(set_bindings_mac_default);
static Named_Mapping named_maps_values[] = {
{string_u8_litexpr("mac-default") , set_bindings_mac_default },
{string_u8_litexpr("choose") , set_bindings_choose },
{string_u8_litexpr("default") , set_bindings_default },
};
START_HOOK_SIG(default_start){
named_maps = named_maps_values;
named_map_count = ArrayCount(named_maps_values);
default_4coder_initialize(app, files, file_count);
default_4coder_side_by_side_panels(app, files, file_count);
#if 0
default_4coder_one_panel(app, files, file_count);
Panel_ID left = 0;
Panel_ID right = 0;
Panel_ID bottom = 0;
Panel_ID header = 0;
View_ID left_view = get_active_view(app, AccessAll);
view_get_panel(app, left_view, &left);
Panel_ID h_split_main = 0;
Panel_ID h_split_minor = 0;
panel_create_split(app, left , ViewSplit_Bottom, &bottom, &h_split_main);
panel_create_split(app, bottom, ViewSplit_Top , &header, &h_split_minor);
panel_create_split(app, left , ViewSplit_Right , &right, 0);
i32_Rect header_margin = {};
i32_Rect bottom_margin = {};
panel_get_margin(app, header, &header_margin);
panel_get_margin(app, header, &bottom_margin);
i32 header_vertical_pixels = header_margin.y0 + header_margin.y1;
i32 margin_vertical_pixels = header_vertical_pixels + bottom_margin.y0 + bottom_margin.y1;
Face_ID face_id = 0;
get_face_id(app, 0, &face_id);
Face_Metrics metrics = {};
get_face_metrics(app, face_id, &metrics);
f32 line_height = metrics.line_height;
panel_set_split(app, h_split_main , PanelSplitKind_FixedPixels_BR, line_height*6.f + margin_vertical_pixels);
panel_set_split(app, h_split_minor, PanelSplitKind_FixedPixels_TL, line_height + header_vertical_pixels);
#endif
if (global_config.automatically_load_project){
load_project(app);
}
// no meaning for return
return(0);
}
// 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_ID view = get_active_view(app, AccessAll);
Managed_Scope scope = view_get_managed_scope(app, view);
managed_variable_set(app, scope, view_next_rewrite_loc, 0);
if (fcoder_mode == FCoderMode_NotepadLike){
for (View_ID view_it = get_view_next(app, 0, AccessAll);
view_it != 0;
view_it = get_view_next(app, view_it, AccessAll)){
Managed_Scope scope_it = view_get_managed_scope(app, view_it);
managed_variable_set(app, scope_it, view_snap_mark_to_cursor, true);
}
}
cmd.command(app);
u64 next_rewrite = 0;
managed_variable_get(app, scope, view_next_rewrite_loc, &next_rewrite);
managed_variable_set(app, scope, view_rewrite_loc, next_rewrite);
if (fcoder_mode == FCoderMode_NotepadLike){
for (View_ID view_it = get_view_next(app, 0, AccessAll);
view_it != 0;
view_it = get_view_next(app, view_it, AccessAll)){
Managed_Scope scope_it = view_get_managed_scope(app, view_it);
u64 val = 0;
if (managed_variable_get(app, scope_it, view_snap_mark_to_cursor, &val)){
if (val != 0){
i64 pos = view_get_cursor_pos(app, view_it);
view_set_mark(app, view_it, seek_pos(pos));
}
}
}
}
return(0);
}
struct Highlight_Record{
Highlight_Record *next;
Range_i64 range;
int_color color;
};
static void
sort_highlight_record(Highlight_Record *records, i32 first, i32 one_past_last){
if (first + 1 < one_past_last){
i32 pivot_index = one_past_last - 1;
int_color pivot_color = records[pivot_index].color;
i32 j = first;
for (i32 i = first; i < pivot_index; i += 1){
int_color color = records[i].color;
if (color < pivot_color){
Swap(Highlight_Record, records[i], records[j]);
j += 1;
}
}
Swap(Highlight_Record, records[pivot_index], records[j]);
pivot_index = j;
sort_highlight_record(records, first, pivot_index);
sort_highlight_record(records, pivot_index + 1, one_past_last);
}
}
static Range_i64_Array
get_enclosure_ranges(Application_Links *app, Arena *arena, Buffer_ID buffer, i64 pos, u32 flags){
Range_i64_Array array = {};
i32 max = 100;
array.ranges = push_array(arena, Range_i64, max);
for (;;){
Range_i64 range = {};
if (find_scope_range(app, buffer, pos, &range, flags)){
array.ranges[array.count] = range;
array.count += 1;
pos = range.first;
if (array.count >= max){
break;
}
}
else{
break;
}
}
return(array);
}
typedef i32 Range_Highlight_Kind;
enum{
RangeHighlightKind_LineHighlight,
RangeHighlightKind_CharacterHighlight,
};
static void
draw_enclosures(Application_Links *app, Text_Layout_ID text_layout_id, Buffer_ID buffer,
i64 pos, u32 flags, Range_Highlight_Kind kind,
int_color *back_colors, int_color *fore_colors, i32 color_count){
Scratch_Block scratch(app);
Range_i64_Array ranges = get_enclosure_ranges(app, scratch, buffer, pos, flags);
i32 color_index = 0;
for (i32 i = ranges.count - 1; i >= 0; i -= 1){
Range_i64 range = ranges.ranges[i];
if (kind == RangeHighlightKind_LineHighlight){
Range_i64 r[2] = {};
if (i > 0){
Range_i64 inner_range = ranges.ranges[i - 1];
Range_i64 lines = get_line_range_from_pos_range(app, buffer, range);
Range_i64 inner_lines = get_line_range_from_pos_range(app, buffer, inner_range);
inner_lines.min = clamp_bot(lines.min, inner_lines.min);
inner_lines.max = clamp_top(inner_lines.max, lines.max);
inner_lines.min -= 1;
inner_lines.max += 1;
if (lines.min <= inner_lines.min){
r[0] = Ii64(lines.min, inner_lines.min);
}
if (inner_lines.max <= lines.max){
r[1] = Ii64(inner_lines.max, lines.max);
}
}
else{
r[0] = get_line_range_from_pos_range(app, buffer, range);
}
for (i32 j = 0; j < 2; j += 1){
if (r[j].min == 0){
continue;
}
Range_i64 line_range = r[j];
if (back_colors != 0){
draw_line_highlight(app, text_layout_id, line_range, back_colors[color_index]);
}
if (fore_colors != 0){
Range_i64 pos_range = get_pos_range_from_line_range(app, buffer, line_range);
paint_text_color(app, text_layout_id, pos_range, fore_colors[color_index]);
}
}
}
else{
if (back_colors != 0){
draw_character_block(app, text_layout_id, range.min, back_colors[color_index]);
draw_character_block(app, text_layout_id, range.max - 1, back_colors[color_index]);
}
if (fore_colors != 0){
paint_text_color(app, text_layout_id, range.min, fore_colors[color_index]);
paint_text_color(app, text_layout_id, range.max - 1, fore_colors[color_index]);
}
}
color_index += 1;
color_index = (color_index%color_count);
}
}
static argb_color default_colors[Stag_COUNT] = {};
MODIFY_COLOR_TABLE_SIG(default_modify_color_table){
if (default_colors[Stag_NOOP] == 0){
default_colors[Stag_NOOP] = 0xFFFF00FF;
default_colors[Stag_Back] = 0xFF0C0C0C;
default_colors[Stag_Margin] = 0xFF181818;
default_colors[Stag_Margin_Hover] = 0xFF252525;
default_colors[Stag_Margin_Active] = 0xFF323232;
default_colors[Stag_List_Item] = default_colors[Stag_Margin];
default_colors[Stag_List_Item_Hover] = default_colors[Stag_Margin_Hover];
default_colors[Stag_List_Item_Active] = default_colors[Stag_Margin_Active];
default_colors[Stag_Cursor] = 0xFF00EE00;
default_colors[Stag_Highlight] = 0xFFDDEE00;
default_colors[Stag_Mark] = 0xFF494949;
default_colors[Stag_Default] = 0xFF90B080;
default_colors[Stag_At_Cursor] = default_colors[Stag_Back];
default_colors[Stag_Highlight_Cursor_Line] = 0xFF1E1E1E;
default_colors[Stag_At_Highlight] = 0xFFFF44DD;
default_colors[Stag_Comment] = 0xFF2090F0;
default_colors[Stag_Keyword] = 0xFFD08F20;
default_colors[Stag_Str_Constant] = 0xFF50FF30;
default_colors[Stag_Char_Constant] = default_colors[Stag_Str_Constant];
default_colors[Stag_Int_Constant] = default_colors[Stag_Str_Constant];
default_colors[Stag_Float_Constant] = default_colors[Stag_Str_Constant];
default_colors[Stag_Bool_Constant] = default_colors[Stag_Str_Constant];
default_colors[Stag_Include] = default_colors[Stag_Str_Constant];
default_colors[Stag_Preproc] = default_colors[Stag_Default];
default_colors[Stag_Special_Character] = 0xFFFF0000;
default_colors[Stag_Ghost_Character] = 0xFF4E5E46;
default_colors[Stag_Paste] = 0xFFDDEE00;
default_colors[Stag_Undo] = 0xFF00DDEE;
default_colors[Stag_Highlight_Junk] = 0xFF3A0000;
default_colors[Stag_Highlight_White] = 0xFF003A3A;
default_colors[Stag_Bar] = 0xFF888888;
default_colors[Stag_Base] = 0xFF000000;
default_colors[Stag_Pop1] = 0xFF3C57DC;
default_colors[Stag_Pop2] = 0xFFFF0000;
default_colors[Stag_Back_Cycle_1] = 0x10A00000;
default_colors[Stag_Back_Cycle_2] = 0x0C00A000;
default_colors[Stag_Back_Cycle_3] = 0x0C0000A0;
default_colors[Stag_Back_Cycle_4] = 0x0CA0A000;
default_colors[Stag_Text_Cycle_1] = 0xFFA00000;
default_colors[Stag_Text_Cycle_2] = 0xFF00A000;
default_colors[Stag_Text_Cycle_3] = 0xFF0030B0;
default_colors[Stag_Text_Cycle_4] = 0xFFA0A000;
default_colors[Stag_Line_Numbers_Back] = 0xFF101010;
default_colors[Stag_Line_Numbers_Text] = 0xFF404040;
}
Color_Table color_table = {};
color_table.vals = default_colors;
color_table.count = ArrayCount(default_colors);
return(color_table);
}
GET_VIEW_BUFFER_REGION_SIG(default_view_buffer_region){
Buffer_ID buffer = view_get_buffer(app, view_id, AccessAll);
Face_ID face_id = get_face_id(app, buffer);
Face_Metrics metrics = get_face_metrics(app, face_id);
i32 line_height = ceil32(metrics.line_height);
// file bar
{
b32 showing_file_bar = false;
if (view_get_setting(app, view_id, ViewSetting_ShowFileBar, &showing_file_bar)){
if (showing_file_bar){
sub_region.y0 += line_height + 2;
}
}
}
// query bar
{
Query_Bar *space[32];
Query_Bar_Ptr_Array query_bars = {};
query_bars.ptrs = space;
if (get_active_query_bars(app, view_id, ArrayCount(space), &query_bars)){
i32 widget_height = (line_height + 2)*query_bars.count;
sub_region.y0 += widget_height;
}
}
// line number margins
if (global_config.show_line_number_margins){
i32 line_count = (i32)buffer_get_line_count(app, buffer);
i32 line_count_digit_count = (i32)digit_count_from_integer(line_count, 10);
i32 margin_width = ceil32((f32)line_count_digit_count*metrics.typical_character_width);
sub_region.x0 += margin_width + 2;
}
return(sub_region);
}
static Buffer_Point
buffer_position_from_scroll_position(Application_Links *app, View_ID view_id, Vec2 scroll){
Full_Cursor cursor = view_compute_cursor(app, view_id, seek_wrapped_xy(0.f, scroll.y, false));
cursor = view_compute_cursor(app, view_id, seek_line_char(cursor.line, 1));
Buffer_Point result = {};
result.line_number = cursor.line;
result.pixel_shift.x = scroll.x;
result.pixel_shift.y = scroll.y - cursor.wrapped_y;
return(result);
}
static i64
abs_position_from_buffer_point(Application_Links *app, View_ID view_id, Buffer_Point buffer_point){
Full_Cursor cursor = view_compute_cursor(app, view_id, seek_line_char(buffer_point.line_number, 0));
Buffer_Seek seek = seek_wrapped_xy(buffer_point.pixel_shift.x,
buffer_point.pixel_shift.y + cursor.wrapped_y, false);
cursor = view_compute_cursor(app, view_id, seek);
return(cursor.pos);
}
static void
default_buffer_render_caller(Application_Links *app, Frame_Info frame_info, View_ID view_id, Rect_f32 view_inner_rect){
Buffer_ID buffer = view_get_buffer(app, view_id, AccessAll);
Face_ID face_id = get_face_id(app, buffer);
Face_Metrics face_metrics = get_face_metrics(app, face_id);
f32 line_height = face_metrics.line_height;
Rect_f32 sub_region = Rf32(V2(0, 0), rect_dim(view_inner_rect));
sub_region = default_view_buffer_region(app, view_id, sub_region);
Rect_f32 buffer_rect = Rf32(V2(view_inner_rect.p0 + sub_region.p0),
V2(view_inner_rect.p0 + sub_region.p1));
buffer_rect = rect_intersect(buffer_rect, view_inner_rect);
GUI_Scroll_Vars scroll = view_get_scroll_vars(app, view_id);
Buffer_Point buffer_point = buffer_position_from_scroll_position(app, view_id, scroll.scroll_p);
Text_Layout_ID text_layout_id = compute_render_layout(app, view_id, buffer, buffer_rect.p0, rect_dim(buffer_rect), buffer_point, max_i32);
Range_i64 on_screen_range = text_layout_get_on_screen_range(app, text_layout_id);
View_ID active_view = get_active_view(app, AccessAll);
b32 is_active_view = (active_view == view_id);
Scratch_Block scratch(app);
{
Rect_f32 r_cursor = view_get_screen_rect(app, view_id);
r_cursor.p1 -= r_cursor.p0;
r_cursor.p0 = V2(0.f,0.f);
// NOTE(allen): Filebar
{
b32 showing_file_bar = false;
if (view_get_setting(app, view_id, ViewSetting_ShowFileBar, &showing_file_bar)){
if (showing_file_bar){
Rect_f32 bar = r_cursor;
bar.y1 = bar.y0 + line_height + 2.f;
r_cursor.y0 = bar.y1;
draw_rectangle(app, bar, Stag_Bar);
Fancy_Color base_color = fancy_id(Stag_Base);
Fancy_Color pop2_color = fancy_id(Stag_Pop2);
Temp_Memory temp = begin_temp(scratch);
i64 cursor_position = view_get_cursor_pos(app, view_id);
Full_Cursor cursor = view_compute_cursor(app, view_id, seek_pos(cursor_position));
Fancy_String_List list = {};
String_Const_u8 unique_name = push_buffer_unique_name(app, scratch, buffer);
push_fancy_string(scratch, &list, base_color, unique_name);
push_fancy_stringf(scratch, &list, base_color, " - Row: %3.lld Col: %3.lld -", cursor.line, cursor.character);
b32 is_dos_mode = false;
if (buffer_get_setting(app, buffer, BufferSetting_Eol, &is_dos_mode)){
if (is_dos_mode){
push_fancy_string(scratch, &list, base_color, string_u8_litexpr(" dos"));
}
else{
push_fancy_string(scratch, &list, base_color, string_u8_litexpr(" nix"));
}
}
else{
push_fancy_string(scratch, &list, base_color, string_u8_litexpr(" ???"));
}
{
Dirty_State dirty = buffer_get_dirty_state(app, buffer);
u8 space[3];
String_u8 str = Su8(space, 0, 3);
if (dirty != 0){
string_append(&str, string_u8_litexpr(" "));
}
if (HasFlag(dirty, DirtyState_UnsavedChanges)){
string_append(&str, string_u8_litexpr("*"));
}
if (HasFlag(dirty, DirtyState_UnloadedChanges)){
string_append(&str, string_u8_litexpr("!"));
}
push_fancy_string(scratch, &list, pop2_color, str.string);
}
Vec2 p = bar.p0 + V2(0.f, 2.f);
draw_fancy_string(app, face_id, list.first, p, Stag_Default, 0);
end_temp(temp);
}
}
}
// NOTE(allen): Query Bars
{
Query_Bar *space[32];
Query_Bar_Ptr_Array query_bars = {};
query_bars.ptrs = space;
if (get_active_query_bars(app, view_id, ArrayCount(space), &query_bars)){
for (i32 i = 0; i < query_bars.count; i += 1){
Query_Bar *query_bar = query_bars.ptrs[i];
Rect_f32 bar = r_cursor;
bar.y1 = bar.y0 + line_height + 2.f;
r_cursor.y0 = bar.y1;
Temp_Memory temp = begin_temp(scratch);
Fancy_String_List list = {};
Fancy_Color default_color = fancy_id(Stag_Default);
Fancy_Color pop1_color = fancy_id(Stag_Pop1);
push_fancy_string(scratch, &list, pop1_color , query_bar->prompt);
push_fancy_string(scratch, &list, default_color, query_bar->string);
Vec2 p = bar.p0 + V2(0.f, 2.f);
draw_fancy_string(app, face_id, list.first, p, Stag_Default, 0);
end_temp(temp);
}
}
}
// NOTE(allen): Line Numbers
if (global_config.show_line_number_margins){
i32 line_count = (i32)buffer_get_line_count(app, buffer);
i32 line_count_digit_count = (i32)digit_count_from_integer(line_count, 10);
// TODO(allen): I need a "digit width"
f32 zero = get_string_advance(app, face_id, string_u8_litexpr("0"));
f32 margin_width = (f32)line_count_digit_count*zero;
Rect_f32 left_margin = r_cursor;
left_margin.x1 = left_margin.x0 + margin_width + 2;
r_cursor.x0 = left_margin.x1;
draw_rectangle(app, left_margin, Stag_Line_Numbers_Back);
Rect_f32 clip_region = left_margin;
clip_region.p0 += view_inner_rect.p0;
clip_region.p1 += view_inner_rect.p0;
draw_clip_push(app, clip_region);
Fancy_Color line_color = fancy_id(Stag_Line_Numbers_Text);
Full_Cursor cursor = view_compute_cursor(app, view_id, seek_pos(on_screen_range.first));
GUI_Scroll_Vars scroll_vars = view_get_scroll_vars(app, view_id);
for (;cursor.pos <= on_screen_range.one_past_last;){
Vec2 p = panel_space_from_view_space(cursor.wrapped_p, scroll_vars.scroll_p);
p.x = left_margin.x0;
Temp_Memory temp = begin_temp(scratch);
Fancy_String *line_string = push_fancy_stringf(scratch, line_color, "%*lld", line_count_digit_count, cursor.line);
draw_fancy_string(app, face_id, line_string, p, Stag_Margin_Active, 0);
end_temp(temp);
i64 next_line = cursor.line + 1;
cursor = view_compute_cursor(app, view_id, seek_line_char(next_line, 1));
if (cursor.line < next_line){
break;
}
}
draw_clip_pop(app);
}
}
// NOTE(allen): Scan for TODOs and NOTEs
{
Temp_Memory temp = begin_temp(scratch);
String_Const_u8 tail = push_buffer_range(app, scratch, buffer, on_screen_range);
Highlight_Record *record_first = 0;
Highlight_Record *record_last = 0;
i32 record_count = 0;
i32 index = 0;
for (;tail.size > 0; tail = string_skip(tail, 1), index += 1){
if (string_match(string_prefix(tail, 4), string_u8_litexpr("NOTE"))){
Highlight_Record *record = push_array(scratch, Highlight_Record, 1);
sll_queue_push(record_first, record_last, record);
record_count += 1;
record->range.first = on_screen_range.first + index;
record->range.one_past_last = record->range.first + 4;
record->color = Stag_Text_Cycle_2;
tail = string_skip(tail, 3);
index += 3;
}
else if (string_match(string_prefix(tail, 4), string_u8_litexpr("TODO"))){
Highlight_Record *record = push_array(scratch, Highlight_Record, 1);
sll_queue_push(record_first, record_last, record);
record_count += 1;
record->range.first = on_screen_range.first + index;
record->range.one_past_last = record->range.first + 4;
record->color = Stag_Text_Cycle_1;
tail = string_skip(tail, 3);
index += 3;
}
}
for (Highlight_Record *node = record_first;
node != 0;
node = node->next){
paint_text_color(app, text_layout_id, node->range, node->color);
}
end_temp(temp);
}
i64 cursor_pos = view_get_cursor_pos(app, view_id);
i64 mark_pos = view_get_mark_pos(app, view_id);
// NOTE(allen): Scope highlight
if (do_matching_enclosure_highlight){
static const i32 color_count = 4;
int_color colors[color_count];
for (u16 i = 0; i < color_count; i += 1){
colors[i] = Stag_Back_Cycle_1 + i;
}
draw_enclosures(app, text_layout_id, buffer,
cursor_pos, FindScope_Brace, RangeHighlightKind_LineHighlight,
colors, 0, color_count);
}
// NOTE(allen): Color parens
if (do_matching_paren_highlight){
i64 pos = cursor_pos;
if (buffer_get_char(app, buffer, pos) == '('){
pos += 1;
}
else if (pos > 0){
if (buffer_get_char(app, buffer, pos - 1) == ')'){
pos -= 1;
}
}
static const i32 color_count = 4;
int_color colors[color_count];
for (u16 i = 0; i < color_count; i += 1){
colors[i] = Stag_Text_Cycle_1 + i;
}
draw_enclosures(app, text_layout_id, buffer,
cursor_pos, FindScope_Paren, RangeHighlightKind_CharacterHighlight,
0, colors, color_count);
}
// NOTE(allen): Line highlight
if (highlight_line_at_cursor && is_active_view){
i64 line_number = get_line_number_from_pos(app, buffer, cursor_pos);
draw_line_highlight(app, text_layout_id, line_number, Stag_Highlight_Cursor_Line);
}
// NOTE(allen): Highlight range
b32 has_highlight_range = false;
{
Managed_Scope scope = view_get_managed_scope(app, view_id);
u64 highlight_buffer = 0;
managed_variable_get(app, scope, view_highlight_buffer, &highlight_buffer);
if (highlight_buffer != 0){
if ((Buffer_ID)highlight_buffer != buffer){
view_disable_highlight_range(app, view_id);
}
else{
has_highlight_range = true;
Managed_Object highlight = 0;
managed_variable_get(app, scope, view_highlight_range, &highlight);
Marker marker_range[2];
if (managed_object_load_data(app, highlight, 0, 2, marker_range)){
Range_i64 range = Ii64(marker_range[0].pos,
marker_range[1].pos);
draw_character_block(app, text_layout_id, range, Stag_Highlight);
paint_text_color(app, text_layout_id, range, Stag_At_Highlight);
}
}
}
}
// NOTE(allen): Cursor and mark
b32 cursor_is_hidden_in_this_view = (cursor_is_hidden && is_active_view);
if (!cursor_is_hidden_in_this_view){
switch (fcoder_mode){
case FCoderMode_Original:
{
if (is_active_view){
draw_character_block(app, text_layout_id, cursor_pos, Stag_Cursor);
paint_text_color(app, text_layout_id, cursor_pos, Stag_At_Cursor);
draw_character_wire_frame(app, text_layout_id, mark_pos, Stag_Mark);
}
else{
draw_character_wire_frame(app, text_layout_id, mark_pos, Stag_Mark);
draw_character_wire_frame(app, text_layout_id, cursor_pos, Stag_Cursor);
}
}break;
case FCoderMode_NotepadLike:
{
if (cursor_pos != mark_pos){
Range_i64 range = Ii64(cursor_pos, mark_pos);
draw_character_block(app, text_layout_id, range, Stag_Highlight);
paint_text_color(app, text_layout_id, range, Stag_At_Highlight);
}
draw_character_i_bar(app, text_layout_id, cursor_pos, Stag_Cursor);
}break;
}
}
draw_clip_push(app, buffer_rect);
draw_render_layout(app, view_id);
text_layout_free(app, text_layout_id);
draw_clip_pop(app);
// NOTE(allen): FPS HUD
if (show_fps_hud){
static const i32 history_depth = 10;
static f32 history_literal_dt[history_depth] = {};
static f32 history_animation_dt[history_depth] = {};
static i32 history_frame_index[history_depth] = {};
i32 wrapped_index = frame_info.index%history_depth;
history_literal_dt[wrapped_index] = frame_info.literal_dt;
history_animation_dt[wrapped_index] = frame_info.animation_dt;
history_frame_index[wrapped_index] = frame_info.index;
Rect_f32 hud_rect = view_get_screen_rect(app, view_id);
hud_rect.p1 -= hud_rect.p0;
hud_rect.p0 = V2(0.f, 0.f);
hud_rect.y0 = hud_rect.y1 - line_height*(f32)(history_depth);
draw_rectangle(app, hud_rect, 0xFF000000);
draw_rectangle_outline(app, hud_rect, 0xFFFFFFFF);
Vec2 p = hud_rect.p0;
Range ranges[2];
ranges[0].first = wrapped_index;
ranges[0].one_past_last = -1;
ranges[1].first = history_depth - 1;
ranges[1].one_past_last = wrapped_index;
for (i32 i = 0; i < 2; i += 1){
Range r = ranges[i];
for (i32 j = r.first; j > r.one_past_last; j -= 1, p.y += line_height){
f32 dts[2];
dts[0] = history_literal_dt[j];
dts[1] = history_animation_dt[j];
i32 frame_index = history_frame_index[j];
Fancy_Color white = fancy_rgba(1.f, 1.f, 1.f, 1.f);
Fancy_Color pink = fancy_rgba(1.f, 0.f, 1.f, 1.f);
Fancy_Color green = fancy_rgba(0.f, 1.f, 0.f, 1.f);
Fancy_String_List list = {};
push_fancy_stringf(scratch, &list, pink , "FPS: ");
push_fancy_stringf(scratch, &list, green, "[");
push_fancy_stringf(scratch, &list, white, "%5d", frame_index);
push_fancy_stringf(scratch, &list, green, "]: ");
for (i32 k = 0; k < 2; k += 1){
f32 dt = dts[k];
if (dt == 0.f){
push_fancy_stringf(scratch, &list, white, "----------");
}
else{
push_fancy_stringf(scratch, &list, white, "%10.6f", dt);
}
push_fancy_stringf(scratch, &list, green, " | ");
}
draw_fancy_string(app, face_id, list.first, p, Stag_Default, 0, 0, V2(1.f, 0.f));
}
}
animate_in_n_milliseconds(app, 1000);
}
//managed_scope_clear_self_all_dependent_scopes(app, render_scope);
}
static int_color
get_margin_color(i32 level){
int_color margin = 0;
switch (level){
default:
case UIActivation_None:
{
margin = Stag_List_Item;
}break;
case UIActivation_Hover:
{
margin = Stag_List_Item_Hover;
}break;
case UIActivation_Active:
{
margin = Stag_List_Item_Active;
}break;
}
return(margin);
}
static void
default_ui_render_caller(Application_Links *app, View_ID view_id, Rect_f32 rect_f32, Face_ID face_id){
UI_Data *ui_data = 0;
Arena *ui_arena = 0;
if (view_get_ui_data(app, view_id, ViewGetUIFlag_KeepDataAsIs, &ui_data, &ui_arena)){
GUI_Scroll_Vars ui_scroll = view_get_scroll_vars(app, view_id);
for (UI_Item *item = ui_data->list.first;
item != 0;
item = item->next){
Rect_f32 item_rect = f32R(item->rect_outer);
switch (item->coordinates){
case UICoordinates_ViewSpace:
{
item_rect.p0 -= ui_scroll.scroll_p;
item_rect.p1 -= ui_scroll.scroll_p;
}break;
case UICoordinates_PanelSpace:
{}break;
}
if (rect_overlap(item_rect, rect_f32)){
Rect_f32 inner = rect_inner(item_rect, (f32)item->inner_margin);
Face_Metrics metrics = get_face_metrics(app, face_id);
f32 line_height = metrics.line_height;
f32 info_height = (f32)item->line_count*line_height;
draw_rectangle(app, inner, Stag_Back);
Vec2 p = V2(inner.x0 + 3.f, (f32)(round32((inner.y0 + inner.y1 - info_height)*0.5f)));
for (i32 i = 0; i < item->line_count; i += 1){
draw_fancy_string(app, face_id, item->lines[i].first, p, Stag_Default, 0, 0, V2(1.f, 0));
p.y += line_height;
}
if (item->inner_margin > 0){
draw_margin(app, item_rect, inner, get_margin_color(item->activation_level));
}
}
}
}
}
static void
default_ui_render_caller(Application_Links *app, View_ID view_id, Rect_f32 rect_f32){
Buffer_ID buffer = view_get_buffer(app, view_id, AccessAll);
Face_ID face_id = get_face_id(app, buffer);
default_ui_render_caller(app, view_id, rect_f32, face_id);
}
static void
default_ui_render_caller(Application_Links *app, View_ID view_id, Face_ID face_id){
Rect_f32 rect = view_get_screen_rect(app, view_id);
rect.p1 -= rect.p0;
rect.p0 = V2(0.f,0.f);
default_ui_render_caller(app, view_id, rect, face_id);
}
static void
default_ui_render_caller(Application_Links *app, View_ID view){
Rect_f32 rect = view_get_screen_rect(app, view);
rect.p1 -= rect.p0;
rect.p0 = V2(0.f,0.f);
Buffer_ID buffer = view_get_buffer(app, view, AccessAll);
Face_ID face_id = get_face_id(app, buffer);
default_ui_render_caller(app, view, rect, face_id);
}
static void
default_render_view(Application_Links *app, Frame_Info frame_info, View_ID view, b32 is_active){
Rect_f32 view_rect = view_get_screen_rect(app, view);
Rect_f32 inner = rect_inner(view_rect, 3);
draw_rectangle(app, view_rect, get_margin_color(is_active?UIActivation_Active:UIActivation_None));
draw_rectangle(app, inner, Stag_Back);
draw_clip_push(app, inner);
draw_coordinate_center_push(app, inner.p0);
if (view_is_in_ui_mode(app, view)){
default_ui_render_caller(app, view);
}
else{
default_buffer_render_caller(app, frame_info, view, inner);
}
draw_clip_pop(app);
draw_coordinate_center_pop(app);
}
RENDER_CALLER_SIG(default_render_caller){
View_ID active_view_id = get_active_view(app, AccessAll);
for (View_ID view_id = get_view_next(app, 0, AccessAll);
view_id != 0;
view_id = get_view_next(app, view_id, AccessAll)){
default_render_view(app, frame_info, view_id, (active_view_id == view_id));
}
}
HOOK_SIG(default_exit){
// If this returns zero it cancels the exit.
i32 result = 1;
if (!allow_immediate_close_without_checking_for_changes){
b32 has_unsaved_changes = false;
for (Buffer_ID buffer = get_buffer_next(app, 0, AccessAll);
buffer != 0;
buffer = get_buffer_next(app, buffer, AccessAll)){
Dirty_State dirty = buffer_get_dirty_state(app, buffer);
if (HasFlag(dirty, DirtyState_UnsavedChanges)){
has_unsaved_changes = true;
break;
}
}
if (has_unsaved_changes){
View_ID view = get_active_view(app, AccessAll);
do_gui_sure_to_close_4coder(app, view);
result = 0;
}
}
return(result);
}
// TODO(allen): how to deal with multiple sizes on a single view
// TODO(allen): expected character advance.
HOOK_SIG(default_view_adjust){
for (View_ID view = get_view_next(app, 0, AccessAll);
view != 0;
view = get_view_next(app, view, AccessAll)){
Buffer_ID buffer = view_get_buffer(app, view, AccessAll);
Rect_f32 screen_rect = view_get_screen_rect(app, view);
f32 view_width = rect_width(screen_rect);
Face_ID face_id = get_face_id(app, buffer);
f32 em = get_string_advance(app, face_id, string_u8_litexpr("m"));
f32 wrap_width = view_width - 2.0f*em;
f32 min_width = 40.0f*em;
if (wrap_width < min_width){
wrap_width = min_width;
}
f32 min_base_width = 20.0f*em;
buffer_set_setting(app, buffer, BufferSetting_WrapPosition, (i32)(wrap_width));
buffer_set_setting(app, buffer, BufferSetting_MinimumBaseWrapPosition, (i32)(min_base_width));
}
return(0);
}
BUFFER_NAME_RESOLVER_SIG(default_buffer_name_resolution){
if (conflict_count > 1){
// List of unresolved conflicts
Scratch_Block scratch(app);
i32 *unresolved = push_array(scratch, i32, conflict_count);
i32 unresolved_count = conflict_count;
for (i32 i = 0; i < conflict_count; ++i){
unresolved[i] = i;
}
// Resolution Loop
i32 x = 0;
for (;;){
// Resolution Pass
++x;
for (i32 i = 0; i < unresolved_count; ++i){
i32 conflict_index = unresolved[i];
Buffer_Name_Conflict_Entry *conflict = &conflicts[conflict_index];
umem size = conflict->base_name.size;
size = clamp_top(size, conflict->unique_name_capacity);
conflict->unique_name_len_in_out = size;
memcpy(conflict->unique_name_in_out, conflict->base_name.str, size);
if (conflict->file_name.str != 0){
Scratch_Block per_file_closer(scratch);
String_Const_u8 uniqueifier = {};
String_Const_u8 file_name = string_remove_last_folder(conflict->file_name);
if (file_name.size > 0){
file_name = string_chop(file_name, 1);
u8 *end = file_name.str + file_name.size;
b32 past_the_end = false;
for (i32 j = 0; j < x; ++j){
file_name = string_remove_last_folder(file_name);
if (j + 1 < x){
file_name = string_chop(file_name, 1);
}
if (file_name.size == 0){
if (j + 1 < x){
past_the_end = true;
}
break;
}
}
u8 *start = file_name.str + file_name.size;
uniqueifier = SCu8(start, end);
if (past_the_end){
uniqueifier = push_u8_stringf(scratch, "%.*s~%d",
string_expand(uniqueifier), i);
}
}
else{
uniqueifier = push_u8_stringf(scratch, "%d", i);
}
String_u8 builder = Su8(conflict->unique_name_in_out,
conflict->unique_name_len_in_out,
conflict->unique_name_capacity);
string_append(&builder, string_u8_litexpr(" <"));
string_append(&builder, uniqueifier);
string_append(&builder, string_u8_litexpr(">"));
conflict->unique_name_len_in_out = builder.size;
}
}
// Conflict Check Pass
b32 has_conflicts = false;
for (i32 i = 0; i < unresolved_count; ++i){
i32 conflict_index = unresolved[i];
Buffer_Name_Conflict_Entry *conflict = &conflicts[conflict_index];
String_Const_u8 conflict_name = SCu8(conflict->unique_name_in_out,
conflict->unique_name_len_in_out);
b32 hit_conflict = false;
if (conflict->file_name.str != 0){
for (i32 j = 0; j < unresolved_count; ++j){
if (i == j) continue;
i32 conflict_j_index = unresolved[j];
Buffer_Name_Conflict_Entry *conflict_j = &conflicts[conflict_j_index];
String_Const_u8 conflict_name_j = SCu8(conflict_j->unique_name_in_out,
conflict_j->unique_name_len_in_out);
if (string_match(conflict_name, conflict_name_j)){
hit_conflict = true;
break;
}
}
}
if (hit_conflict){
has_conflicts = true;
}
else{
--unresolved_count;
unresolved[i] = unresolved[unresolved_count];
--i;
}
}
if (!has_conflicts){
break;
}
}
}
}
OPEN_FILE_HOOK_SIG(default_file_settings){
b32 treat_as_code = false;
b32 treat_as_todo = false;
b32 lex_without_strings = false;
String_Const_u8_Array extensions = global_config.code_exts;
Parse_Context_ID parse_context_id = 0;
Arena *scratch = context_get_arena(app);
Temp_Memory temp = begin_temp(scratch);
String_Const_u8 file_name = push_buffer_file_name(app, scratch, buffer_id);
i32 buffer_size = (i32)buffer_get_size(app, buffer_id);
if (file_name.size > 0 && buffer_size < MB(32)){
String_Const_u8 ext = string_file_extension(file_name);
for (i32 i = 0; i < extensions.count; ++i){
if (string_match(ext, extensions.strings[i])){
treat_as_code = true;
if (string_match(ext, string_u8_litexpr("cs"))){
if (parse_context_language_cs == 0){
init_language_cs(app);
}
parse_context_id = parse_context_language_cs;
}
if (string_match(ext, string_u8_litexpr("java"))){
if (parse_context_language_java == 0){
init_language_java(app);
}
parse_context_id = parse_context_language_java;
}
if (string_match(ext, string_u8_litexpr("rs"))){
if (parse_context_language_rust == 0){
init_language_rust(app);
}
parse_context_id = parse_context_language_rust;
lex_without_strings = true;
}
if (string_match(ext, string_u8_litexpr("cpp")) ||
string_match(ext, string_u8_litexpr("h")) ||
string_match(ext, string_u8_litexpr("c")) ||
string_match(ext, string_u8_litexpr("hpp")) ||
string_match(ext, string_u8_litexpr("cc"))){
if (parse_context_language_cpp == 0){
init_language_cpp(app);
}
parse_context_id = parse_context_language_cpp;
}
// TODO(NAME): Real GLSL highlighting
if (string_match(ext, string_u8_litexpr("glsl"))){
if (parse_context_language_cpp == 0){
init_language_cpp(app);
}
parse_context_id = parse_context_language_cpp;
}
// TODO(NAME): Real Objective-C highlighting
if (string_match(ext, string_u8_litexpr("m"))){
if (parse_context_language_cpp == 0){
init_language_cpp(app);
}
parse_context_id = parse_context_language_cpp;
}
break;
}
}
if (!treat_as_code){
treat_as_todo = string_match_insensitive(string_front_of_path(file_name),
string_u8_litexpr("todo.txt"));
}
}
i32 map_id = (treat_as_code)?((i32)default_code_map):((i32)mapid_file);
i32 map_id_query = 0;
buffer_set_setting(app, buffer_id, BufferSetting_MapID, default_lister_ui_map);
buffer_get_setting(app, buffer_id, BufferSetting_MapID, &map_id_query);
Assert(map_id_query == default_lister_ui_map);
buffer_set_setting(app, buffer_id, BufferSetting_WrapPosition, global_config.default_wrap_width);
buffer_set_setting(app, buffer_id, BufferSetting_MinimumBaseWrapPosition, global_config.default_min_base_width);
buffer_set_setting(app, buffer_id, BufferSetting_MapID, map_id);
buffer_get_setting(app, buffer_id, BufferSetting_MapID, &map_id_query);
Assert(map_id_query == map_id);
buffer_set_setting(app, buffer_id, BufferSetting_ParserContext, parse_context_id);
// NOTE(allen): Decide buffer settings
b32 wrap_lines = true;
b32 use_virtual_whitespace = false;
b32 use_lexer = false;
if (treat_as_todo){
lex_without_strings = true;
wrap_lines = true;
use_virtual_whitespace = true;
use_lexer = true;
}
else if (treat_as_code){
wrap_lines = global_config.enable_code_wrapping;
use_virtual_whitespace = global_config.enable_virtual_whitespace;
use_lexer = true;
}
String_Const_u8 buffer_name = push_buffer_base_name(app, scratch, buffer_id);
if (string_match(buffer_name, string_u8_litexpr("*compilation*"))){
wrap_lines = false;
}
if (buffer_size >= (1 << 20)){
wrap_lines = false;
use_virtual_whitespace = false;
}
// NOTE(allen|a4.0.12): There is a little bit of grossness going on here.
// If we set BufferSetting_Lex to true, it will launch a lexing job.
// If a lexing job is active when we set BufferSetting_VirtualWhitespace, the call can fail.
// Unfortunantely without tokens virtual whitespace doesn't really make sense.
// So for now I have it automatically turning on lexing when virtual whitespace is turned on.
// Cleaning some of that up is a goal for future versions.
buffer_set_setting(app, buffer_id, BufferSetting_LexWithoutStrings, lex_without_strings);
buffer_set_setting(app, buffer_id, BufferSetting_WrapLine, wrap_lines);
buffer_set_setting(app, buffer_id, BufferSetting_VirtualWhitespace, use_virtual_whitespace);
buffer_set_setting(app, buffer_id, BufferSetting_Lex, use_lexer);
end_temp(temp);
// no meaning for return
return(0);
}
OPEN_FILE_HOOK_SIG(default_new_file){
// no meaning for return
// buffer_id
return(0);
}
OPEN_FILE_HOOK_SIG(default_file_save){
b32 is_virtual = false;
if (global_config.automatically_indent_text_on_save &&
buffer_get_setting(app, buffer_id, BufferSetting_VirtualWhitespace, &is_virtual)){
if (is_virtual){
i32 buffer_size = (i32)buffer_get_size(app, buffer_id);
buffer_auto_indent(app, buffer_id, 0, buffer_size, DEF_TAB_WIDTH, DEFAULT_INDENT_FLAGS | AutoIndent_FullTokens);
}
}
// no meaning for return
return(0);
}
FILE_EDIT_RANGE_SIG(default_file_edit_range){
// no meaning for return
// buffer_id, range, text
return(0);
}
FILE_EDIT_FINISHED_SIG(default_file_edit_finished){
#if 0
for (i32 i = 0; i < buffer_id_count; i += 1){
// buffer_ids[i]
}
#endif
// no meaning for return
return(0);
}
OPEN_FILE_HOOK_SIG(default_end_file){
Scratch_Block scratch(app);
String_Const_u8 buffer_name = push_buffer_unique_name(app, scratch, buffer_id);
String_Const_u8 str = push_u8_stringf(scratch, "Ending file: %.*s\n",
string_expand(buffer_name));
print_message(app, str);
// no meaning for return
return(0);
}
// NOTE(allen|a4.0.9): The input filter allows you to modify the input
// to a frame before 4coder starts processing it at all.
//
// Right now it only has access to the mouse state, but it will be
// extended to have access to the key presses soon.
INPUT_FILTER_SIG(default_suppress_mouse_filter){
if (suppressing_mouse){
memset(mouse, 0, sizeof(*mouse));
mouse->p.x = -100;
mouse->p.y = -100;
}
}
// TODO(allen): FIX FIX FIX FIX
// 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.
//
Vec2 scroll_velocity_[16] = {};
Vec2 *scroll_velocity = scroll_velocity_ - 1;
static i32
smooth_camera_step(f32 target, f32 *current, f32 *vel, f32 S, f32 T){
i32 result = 0;
f32 curr = *current;
f32 v = *vel;
if (curr != target){
if (curr > target - .1f && curr < target + .1f){
curr = target;
v = 1.f;
}
else{
f32 L = curr + T*(target - curr);
i32 sign = (target > curr) - (target < curr);
f32 V = curr + sign*v;
if (sign > 0) curr = (L<V)?(L):(V);
else curr = (L>V)?(L):(V);
if (curr == V){
v *= S;
}
}
*current = curr;
*vel = v;
result = 1;
}
return(result);
}
SCROLL_RULE_SIG(smooth_scroll_rule){
Vec2 *velocity = scroll_velocity + view_id;
i32 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);
}
static void
set_all_default_hooks(Bind_Helper *context){
set_hook(context, hook_exit, default_exit);
set_hook(context, hook_buffer_viewer_update, default_view_adjust);
set_start_hook(context, default_start);
set_open_file_hook(context, default_file_settings);
set_new_file_hook(context, default_new_file);
set_save_file_hook(context, default_file_save);
set_file_edit_range_hook(context, default_file_edit_range);
set_file_edit_finished_hook(context, default_file_edit_finished);
set_file_edit_range_hook(context, default_file_edit_range);
set_end_file_hook(context, end_file_close_jump_list);
set_command_caller(context, default_command_caller);
set_render_caller(context, default_render_caller);
set_input_filter(context, default_suppress_mouse_filter);
set_scroll_rule(context, smooth_scroll_rule);
set_buffer_name_resolver(context, default_buffer_name_resolution);
set_modify_color_table_hook(context, default_modify_color_table);
set_get_view_buffer_region_hook(context, default_view_buffer_region);
}
// BOTTOM
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