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layout handles, looking up cursor values

This commit is contained in:
Allen Webster 2019-03-31 17:36:09 -07:00
parent a315461286
commit 1977394096
10 changed files with 179 additions and 25 deletions
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7
4coder_API/4coder_types.h
View File

@ -34,6 +34,13 @@ TYPEDEF i32 View_ID;
TYPEDEF i32 Panel_ID;
TYPEDEF u32 Text_Layout_ID;
STRUCT Buffer_Point{
i32 line_number;
Vec2 pixel_shift;
};
ENUM(u32, Child_Process_Set_Target_Flags){
ChildProcessSet_FailIfBufferAlreadyAttachedToAProcess = 1,
ChildProcessSet_FailIfProcessAlreadyAttachedToABuffer = 2,

18
4coder_default_hooks.cpp
View File

@ -321,16 +321,11 @@ struct View_Render_Parameters{
Rect_i32 buffer_rect;
};
struct Buffer_Position{
i32 line_number;
Vec2 pixel_shift;
};
static Buffer_Position
static Buffer_Point
buffer_position_from_scroll_position(Application_Links *app, View_ID view_id, Vec2 scroll){
Full_Cursor render_cursor = {};
view_compute_cursor(app, view_id, seek_wrapped_xy(scroll.x, scroll.y, false), &render_cursor);
Buffer_Position result = {};
Buffer_Point result = {};
result.line_number = render_cursor.line;
result.pixel_shift.x = scroll.x;
result.pixel_shift.y = scroll.y - render_cursor.wrapped_y;
@ -355,11 +350,11 @@ default_buffer_render_caller(Application_Links *app, Frame_Info frame_info, View
GUI_Scroll_Vars scroll = {};
view_get_scroll_vars(app, view_id, &scroll);
Buffer_Position buffer_pos = buffer_position_from_scroll_position(app, view_id, scroll.scroll_p);
Buffer_Point buffer_point = buffer_position_from_scroll_position(app, view_id, scroll.scroll_p);
Range on_screen_range = {};
compute_render_layout(app, view_id, buffer_id, buffer_rect,
buffer_pos.line_number, buffer_pos.pixel_shift.y, buffer_pos.pixel_shift.x,
&on_screen_range);
Text_Layout_ID text_layout_id = 0;
compute_render_layout(app, view_id, buffer_id, buffer_rect, buffer_point,
&on_screen_range, &text_layout_id);
View_Summary view = get_view(app, view_id, AccessAll);
Buffer_Summary buffer = get_buffer(app, view.buffer_id, AccessAll);
@ -704,6 +699,7 @@ default_buffer_render_caller(Application_Links *app, Frame_Info frame_info, View
}
draw_render_layout(app, view_id);
text_layout_free(app, text_layout_id);
// NOTE(allen): FPS HUD
if (show_fps_hud){

7
4coder_fancy.cpp
View File

@ -216,9 +216,12 @@ draw_fancy_string(Application_Links *app, Face_ID font_id, Fancy_String *string,
// TODO(casey): need to fill the background here, but I don't know the line height,
// and I can't actually render filled shapes, so, like, I can't properly do dP :(
P += (string->pre_margin)*dP;
Face_Metrics metrics = {};
get_face_metrics(app, font_id, &metrics);
P += (string->pre_margin*metrics.typical_character_width)*dP;
draw_string(app, use_font_id, string->value, P, use_fore, flags, dP);
P += (adv + string->post_margin)*dP;
P += (adv + string->post_margin*metrics.typical_character_width)*dP;
}
return(P);
}

27
4coder_generated/app_functions.h
View File

@ -168,7 +168,10 @@ struct Application_Links;
#define DRAW_COORDINATE_CENTER_PUSH_SIG(n) void n(Application_Links *app, Vec2 point)
#define DRAW_COORDINATE_CENTER_POP_SIG(n) Vec2 n(Application_Links *app)
#define GET_DEFAULT_FONT_FOR_VIEW_SIG(n) Face_ID n(Application_Links *app, View_ID view_id)
#define COMPUTE_RENDER_LAYOUT_SIG(n) b32 n(Application_Links *app, View_ID view_id, Buffer_ID buffer_id, Rect_i32 screen_rect, i32 buffer_line_number, f32 y_pixel_shift, f32 scroll_x, Range *on_screen_range_out)
#define TEXT_LAYOUT_GET_BUFFER_SIG(n) b32 n(Application_Links *app, Text_Layout_ID text_layout_id, Buffer_ID *buffer_id_out)
#define TEXT_LAYOUT_COMPUTE_CURSOR_SIG(n) b32 n(Application_Links *app, Text_Layout_ID text_layout_id, Vec2 p, b32 round_down, Full_Cursor *cursor_out)
#define TEXT_LAYOUT_FREE_SIG(n) b32 n(Application_Links *app, Text_Layout_ID text_layout_id)
#define COMPUTE_RENDER_LAYOUT_SIG(n) b32 n(Application_Links *app, View_ID view_id, Buffer_ID buffer_id, Rect_i32 screen_rect, Buffer_Point buffer_point, Range *on_screen_range_out, Text_Layout_ID *text_layout_id_out)
#define DRAW_RENDER_LAYOUT_SIG(n) void n(Application_Links *app, View_ID view_id)
#define OPEN_COLOR_PICKER_SIG(n) void n(Application_Links *app, color_picker *picker)
#define ANIMATE_IN_N_MILLISECONDS_SIG(n) void n(Application_Links *app, u32 n)
@ -343,6 +346,9 @@ typedef DRAW_CLIP_POP_SIG(Draw_Clip_Pop_Function);
typedef DRAW_COORDINATE_CENTER_PUSH_SIG(Draw_Coordinate_Center_Push_Function);
typedef DRAW_COORDINATE_CENTER_POP_SIG(Draw_Coordinate_Center_Pop_Function);
typedef GET_DEFAULT_FONT_FOR_VIEW_SIG(Get_Default_Font_For_View_Function);
typedef TEXT_LAYOUT_GET_BUFFER_SIG(Text_Layout_Get_Buffer_Function);
typedef TEXT_LAYOUT_COMPUTE_CURSOR_SIG(Text_Layout_Compute_Cursor_Function);
typedef TEXT_LAYOUT_FREE_SIG(Text_Layout_Free_Function);
typedef COMPUTE_RENDER_LAYOUT_SIG(Compute_Render_Layout_Function);
typedef DRAW_RENDER_LAYOUT_SIG(Draw_Render_Layout_Function);
typedef OPEN_COLOR_PICKER_SIG(Open_Color_Picker_Function);
@ -520,6 +526,9 @@ Draw_Clip_Pop_Function *draw_clip_pop;
Draw_Coordinate_Center_Push_Function *draw_coordinate_center_push;
Draw_Coordinate_Center_Pop_Function *draw_coordinate_center_pop;
Get_Default_Font_For_View_Function *get_default_font_for_view;
Text_Layout_Get_Buffer_Function *text_layout_get_buffer;
Text_Layout_Compute_Cursor_Function *text_layout_compute_cursor;
Text_Layout_Free_Function *text_layout_free;
Compute_Render_Layout_Function *compute_render_layout;
Draw_Render_Layout_Function *draw_render_layout;
Open_Color_Picker_Function *open_color_picker;
@ -696,6 +705,9 @@ Draw_Clip_Pop_Function *draw_clip_pop_;
Draw_Coordinate_Center_Push_Function *draw_coordinate_center_push_;
Draw_Coordinate_Center_Pop_Function *draw_coordinate_center_pop_;
Get_Default_Font_For_View_Function *get_default_font_for_view_;
Text_Layout_Get_Buffer_Function *text_layout_get_buffer_;
Text_Layout_Compute_Cursor_Function *text_layout_compute_cursor_;
Text_Layout_Free_Function *text_layout_free_;
Compute_Render_Layout_Function *compute_render_layout_;
Draw_Render_Layout_Function *draw_render_layout_;
Open_Color_Picker_Function *open_color_picker_;
@ -880,6 +892,9 @@ app_links->draw_clip_pop_ = Draw_Clip_Pop;\
app_links->draw_coordinate_center_push_ = Draw_Coordinate_Center_Push;\
app_links->draw_coordinate_center_pop_ = Draw_Coordinate_Center_Pop;\
app_links->get_default_font_for_view_ = Get_Default_Font_For_View;\
app_links->text_layout_get_buffer_ = Text_Layout_Get_Buffer;\
app_links->text_layout_compute_cursor_ = Text_Layout_Compute_Cursor;\
app_links->text_layout_free_ = Text_Layout_Free;\
app_links->compute_render_layout_ = Compute_Render_Layout;\
app_links->draw_render_layout_ = Draw_Render_Layout;\
app_links->open_color_picker_ = Open_Color_Picker;\
@ -1056,7 +1071,10 @@ static f32_Rect draw_clip_pop(Application_Links *app){return(app->draw_clip_pop(
static void draw_coordinate_center_push(Application_Links *app, Vec2 point){(app->draw_coordinate_center_push(app, point));}
static Vec2 draw_coordinate_center_pop(Application_Links *app){return(app->draw_coordinate_center_pop(app));}
static Face_ID get_default_font_for_view(Application_Links *app, View_ID view_id){return(app->get_default_font_for_view(app, view_id));}
static b32 compute_render_layout(Application_Links *app, View_ID view_id, Buffer_ID buffer_id, Rect_i32 screen_rect, i32 buffer_line_number, f32 y_pixel_shift, f32 scroll_x, Range *on_screen_range_out){return(app->compute_render_layout(app, view_id, buffer_id, screen_rect, buffer_line_number, y_pixel_shift, scroll_x, on_screen_range_out));}
static b32 text_layout_get_buffer(Application_Links *app, Text_Layout_ID text_layout_id, Buffer_ID *buffer_id_out){return(app->text_layout_get_buffer(app, text_layout_id, buffer_id_out));}
static b32 text_layout_compute_cursor(Application_Links *app, Text_Layout_ID text_layout_id, Vec2 p, b32 round_down, Full_Cursor *cursor_out){return(app->text_layout_compute_cursor(app, text_layout_id, p, round_down, cursor_out));}
static b32 text_layout_free(Application_Links *app, Text_Layout_ID text_layout_id){return(app->text_layout_free(app, text_layout_id));}
static b32 compute_render_layout(Application_Links *app, View_ID view_id, Buffer_ID buffer_id, Rect_i32 screen_rect, Buffer_Point buffer_point, Range *on_screen_range_out, Text_Layout_ID *text_layout_id_out){return(app->compute_render_layout(app, view_id, buffer_id, screen_rect, buffer_point, on_screen_range_out, text_layout_id_out));}
static void draw_render_layout(Application_Links *app, View_ID view_id){(app->draw_render_layout(app, view_id));}
static void open_color_picker(Application_Links *app, color_picker *picker){(app->open_color_picker(app, picker));}
static void animate_in_n_milliseconds(Application_Links *app, u32 n){(app->animate_in_n_milliseconds(app, n));}
@ -1232,7 +1250,10 @@ static f32_Rect draw_clip_pop(Application_Links *app){return(app->draw_clip_pop_
static void draw_coordinate_center_push(Application_Links *app, Vec2 point){(app->draw_coordinate_center_push_(app, point));}
static Vec2 draw_coordinate_center_pop(Application_Links *app){return(app->draw_coordinate_center_pop_(app));}
static Face_ID get_default_font_for_view(Application_Links *app, View_ID view_id){return(app->get_default_font_for_view_(app, view_id));}
static b32 compute_render_layout(Application_Links *app, View_ID view_id, Buffer_ID buffer_id, Rect_i32 screen_rect, i32 buffer_line_number, f32 y_pixel_shift, f32 scroll_x, Range *on_screen_range_out){return(app->compute_render_layout_(app, view_id, buffer_id, screen_rect, buffer_line_number, y_pixel_shift, scroll_x, on_screen_range_out));}
static b32 text_layout_get_buffer(Application_Links *app, Text_Layout_ID text_layout_id, Buffer_ID *buffer_id_out){return(app->text_layout_get_buffer_(app, text_layout_id, buffer_id_out));}
static b32 text_layout_compute_cursor(Application_Links *app, Text_Layout_ID text_layout_id, Vec2 p, b32 round_down, Full_Cursor *cursor_out){return(app->text_layout_compute_cursor_(app, text_layout_id, p, round_down, cursor_out));}
static b32 text_layout_free(Application_Links *app, Text_Layout_ID text_layout_id){return(app->text_layout_free_(app, text_layout_id));}
static b32 compute_render_layout(Application_Links *app, View_ID view_id, Buffer_ID buffer_id, Rect_i32 screen_rect, Buffer_Point buffer_point, Range *on_screen_range_out, Text_Layout_ID *text_layout_id_out){return(app->compute_render_layout_(app, view_id, buffer_id, screen_rect, buffer_point, on_screen_range_out, text_layout_id_out));}
static void draw_render_layout(Application_Links *app, View_ID view_id){(app->draw_render_layout_(app, view_id));}
static void open_color_picker(Application_Links *app, color_picker *picker){(app->open_color_picker_(app, picker));}
static void animate_in_n_milliseconds(Application_Links *app, u32 n){(app->animate_in_n_milliseconds_(app, n));}

3
4ed.cpp
View File

@ -869,8 +869,9 @@ App_Init_Sig(app_init){
models->working_set.default_display_width = DEFAULT_DISPLAY_WIDTH;
models->working_set.default_minimum_base_display_width = DEFAULT_MINIMUM_BASE_DISPLAY_WIDTH;
// NOTE(allen): history setup
// NOTE(allen):
global_history_init(&models->global_history);
text_layout_init(&models->app_links, &models->text_layouts);
// NOTE(allen): clipboard setup
models->working_set.clipboard_max_size = ArrayCount(models->working_set.clipboards);

55
4ed_api_implementation.cpp
View File

@ -2402,7 +2402,6 @@ DOC_SEE(Full_Cursor)
b32 result = false;
if (view_api_check_view(view)){
Editing_File *file = view->file;
Assert(file != 0);
if (buffer_api_check_file(file)){
if (file->settings.unwrapped_lines && seek.type == buffer_seek_wrapped_xy){
seek.type = buffer_seek_unwrapped_xy;
@ -4634,7 +4633,49 @@ Get_Default_Font_For_View(Application_Links *app, View_ID view_id)
}
API_EXPORT b32
Compute_Render_Layout(Application_Links *app, View_ID view_id, Buffer_ID buffer_id, Rect_i32 screen_rect, i32 buffer_line_number, f32 y_pixel_shift, f32 scroll_x, Range *on_screen_range_out){
Text_Layout_Get_Buffer(Application_Links *app, Text_Layout_ID text_layout_id, Buffer_ID *buffer_id_out){
Models *models = (Models*)app->cmd_context;
Text_Layout layout = {};
b32 result = false;
if (text_layout_get(&models->text_layouts, text_layout_id, &layout)){
*buffer_id_out = layout.buffer_id;
result = true;
}
return(result);
}
API_EXPORT b32
Text_Layout_Compute_Cursor(Application_Links *app, Text_Layout_ID text_layout_id, Vec2 p, b32 round_down, Full_Cursor *cursor_out){
Models *models = (Models*)app->cmd_context;
Text_Layout layout = {};
b32 result = false;
if (text_layout_get(&models->text_layouts, text_layout_id, &layout)){
Editing_File *file = imp_get_file(models, layout.buffer_id);
if (buffer_api_check_file(file)){
System_Functions *system = models->system;
Full_Cursor top = file_compute_cursor(system, file, seek_line_char(layout.point.line_number, 1));
f32 top_y = top.wrapped_y;
if (file->settings.unwrapped_lines){
top_y = top.unwrapped_y;
}
p += layout.point.pixel_shift;
p.y += top_y;
Buffer_Seek seek = seek_xy(p.x, p.y, round_down, file->settings.unwrapped_lines);
*cursor_out = file_compute_cursor(system, file, seek);
result = true;
}
}
return(result);
}
API_EXPORT b32
Text_Layout_Free(Application_Links *app, Text_Layout_ID text_layout_id){
Models *models = (Models*)app->cmd_context;
return(text_layout_erase(&models->text_layouts, text_layout_id));
}
API_EXPORT b32
Compute_Render_Layout(Application_Links *app, View_ID view_id, Buffer_ID buffer_id, Rect_i32 screen_rect, Buffer_Point buffer_point, Range *on_screen_range_out, Text_Layout_ID *text_layout_id_out){
Models *models = (Models*)app->cmd_context;
System_Functions *system = models->system;
View *view = imp_get_view(models, view_id);
@ -4672,8 +4713,9 @@ Compute_Render_Layout(Application_Links *app, View_ID view_id, Buffer_ID buffer_
Full_Cursor render_cursor = view_get_render_cursor(system, view);
#else
Full_Cursor intermediate_cursor = file_compute_cursor(system, file, seek_line_char(buffer_line_number, 1));
f32 scroll_y = intermediate_cursor.unwrapped_y + y_pixel_shift;
Full_Cursor intermediate_cursor = file_compute_cursor(system, file, seek_line_char(buffer_point.line_number, 1));
f32 scroll_x = buffer_point.pixel_shift.x;
f32 scroll_y = intermediate_cursor.unwrapped_y + buffer_point.pixel_shift.y;
Full_Cursor render_cursor = view_get_render_cursor(system, view, scroll_y);
#endif
@ -4755,8 +4797,13 @@ Compute_Render_Layout(Application_Links *app, View_ID view_id, Buffer_ID buffer_
view->render.items = items;
view->render.item_count = item_count;
if (on_screen_range_out != 0){
*on_screen_range_out = range;
}
if (text_layout_id_out != 0){
*text_layout_id_out = text_layout_new(&models->mem.heap, &models->text_layouts, buffer_id, buffer_point);
}
}
return(result);
}

1
4ed_app_models.h
View File

@ -70,6 +70,7 @@ struct Models{
Live_Views live_set;
Parse_Context_Memory parse_context_memory;
Global_History global_history;
Text_Layout_Container text_layouts;
Dynamic_Variable_Layout variable_layout;
Dynamic_Workspace dynamic_workspace;

2
4ed_app_target.cpp
View File

@ -62,6 +62,7 @@ struct Mem_Options{
#include "4ed_layout.h"
#include "4ed_view.h"
#include "4ed_edit.h"
#include "4ed_text_layout.h"
#include "4ed_app_models.h"
#include "4ed_mem.cpp"
@ -89,6 +90,7 @@ struct Mem_Options{
#include "4ed_view.cpp"
#include "4ed_edit.cpp"
#include "4ed_view_ui.cpp"
#include "4ed_text_layout.cpp"
#include "4ed.cpp"
// BOTTOM

65
4ed_text_layout.cpp Normal file
View File

@ -0,0 +1,65 @@
/*
* Mr. 4th Dimention - Allen Webster
*
* 31.03.2019
*
* Text layout representation
*
*/
// TOP
internal void
text_layout_init(Application_Links *app, Text_Layout_Container *container){
block_zero_struct(container);
container->node_arena = make_arena(app);
}
internal Text_Layout*
text_layout_new__alloc_layout(Text_Layout_Container *container){
Text_Layout_Node *node = container->free_nodes;
if (node == 0){
node = push_array(&container->node_arena, Text_Layout_Node, 1);
}
else{
container->free_nodes = node->next;
}
return(&node->layout);
}
internal Text_Layout_ID
text_layout_new(Heap *heap, Text_Layout_Container *container, Buffer_ID buffer_id, Buffer_Point point){
Text_Layout *new_layout_data = text_layout_new__alloc_layout(container);
new_layout_data->buffer_id = buffer_id;
new_layout_data->point = point;
Text_Layout_ID new_id = ++container->id_counter;
insert_u32_Ptr_table(heap, &container->table, new_id, new_layout_data);
return(new_id);
}
internal b32
text_layout_get(Text_Layout_Container *container, Text_Layout_ID id, Text_Layout *out){
b32 result = false;
void *ptr = 0;
if (lookup_u32_Ptr_table(&container->table, id, &ptr)){
block_copy(out, ptr, sizeof(*out));
result = true;
}
return(result);
}
internal b32
text_layout_erase(Text_Layout_Container *container, Text_Layout_ID id){
b32 result = false;
void *ptr = 0;
if (lookup_u32_Ptr_table(&container->table, id, &ptr)){
erase_u32_Ptr_table(&container->table, id);
Text_Layout_Node *node = CastFromMember(Text_Layout_Node, layout, ptr);
node->next = container->free_nodes;
container->free_nodes = node;
result = true;
}
return(result);
}
// BOTTOM

17
4ed_text_layout.h
View File

@ -3,7 +3,7 @@
*
* 31.03.2019
*
* Implementation of the API functions.
* Text layout representation
*
*/
@ -20,8 +20,19 @@ struct Text_Layout{
// this just stores the parameters that should be handed to any
// system that attempts to query the layout for hit testing.
Buffer_ID buffer_id;
i32 line;
Vec2 pixel_shift;
Buffer_Point point;
};
union Text_Layout_Node{
Text_Layout_Node *next;
Text_Layout layout;
};
struct Text_Layout_Container{
Arena node_arena;
Text_Layout_Node *free_nodes;
u32_Ptr_Table table;
u32 id_counter;
};
#endif