full screen API

4coder_API.html

@@ -89,6 +89,8 @@ Coming Soon</i><div>
 <li><a href='#directory_cd_doc'>directory_cd</a></li>
 <li><a href='#get_4ed_path_doc'>get_4ed_path</a></li>
 <li><a href='#show_mouse_cursor_doc'>show_mouse_cursor</a></li>
+<li><a href='#toggle_fullscreen_doc'>toggle_fullscreen</a></li>
+<li><a href='#is_fullscreen_doc'>is_fullscreen</a></li>
 </ul>
 <h3>&sect;3.2 Type List</h3>
 <ul>
@@ -1059,6 +1061,18 @@ folders.</div></div><hr>
 <div style='margin-bottom: 6mm;'><div style='margin-left: 5mm; margin-right: 5mm;'>This parameter specifies the new state of the mouse cursor.</div></div>
 </div>
 <div style='margin-top: 3mm; margin-bottom: 3mm; color: #309030;'><b><i>See Also</i></b></div><div style='margin-left: 5mm; margin-right: 5mm;'><a href='#Mouse_Cursor_Show_Type_doc'>Mouse_Cursor_Show_Type</a></div></div><hr>
+<div id='toggle_fullscreen_doc' style='margin-bottom: 1cm;'>
+<h4>&sect;3.3.58: toggle_fullscreen</h4>
+<div style='font-family: "Courier New", Courier, monospace; text-align: left; margin-top: 3mm; margin-bottom: 3mm; font-size: .95em; background: #DFDFDF; padding: 0.25em;'>void app->toggle_fullscreen(
+<div style='margin-left: 4mm;'>Application_Links *app<br></div>)
+</div>
+</div><hr>
+<div id='is_fullscreen_doc' style='margin-bottom: 1cm;'>
+<h4>&sect;3.3.59: is_fullscreen</h4>
+<div style='font-family: "Courier New", Courier, monospace; text-align: left; margin-top: 3mm; margin-bottom: 3mm; font-size: .95em; background: #DFDFDF; padding: 0.25em;'>bool32 app->is_fullscreen(
+<div style='margin-left: 4mm;'>Application_Links *app<br></div>)
+</div>
+</div><hr>
 <h3>&sect;3.4 Type Descriptions</h3>
 <h2 id='section_string_library'>&sect;4 String Library</h2>
 <h3>&sect;4.1 String Intro</h3>

4coder_custom_api.h

@@ -55,6 +55,8 @@
 #define DIRECTORY_CD_SIG(n) bool32 n(Application_Links *app, char *dir, int32_t *len, int32_t capacity, char *rel_path, int32_t rel_len)
 #define GET_4ED_PATH_SIG(n) bool32 n(Application_Links *app, char *out, int32_t capacity)
 #define SHOW_MOUSE_CURSOR_SIG(n) void n(Application_Links *app, Mouse_Cursor_Show_Type show)
+#define TOGGLE_FULLSCREEN_SIG(n) void n(Application_Links *app)
+#define IS_FULLSCREEN_SIG(n) bool32 n(Application_Links *app)
 typedef EXEC_COMMAND_SIG(Exec_Command_Function);
 typedef EXEC_SYSTEM_COMMAND_SIG(Exec_System_Command_Function);
 typedef CLIPBOARD_POST_SIG(Clipboard_Post_Function);
@@ -112,6 +114,8 @@ typedef FILE_EXISTS_SIG(File_Exists_Function);
 typedef DIRECTORY_CD_SIG(Directory_CD_Function);
 typedef GET_4ED_PATH_SIG(Get_4ed_Path_Function);
 typedef SHOW_MOUSE_CURSOR_SIG(Show_Mouse_Cursor_Function);
+typedef TOGGLE_FULLSCREEN_SIG(Toggle_Fullscreen_Function);
+typedef IS_FULLSCREEN_SIG(Is_Fullscreen_Function);
 struct Application_Links{
     void *memory;
     int32_t memory_size;
@@ -172,6 +176,8 @@ struct Application_Links{
     Directory_CD_Function *directory_cd;
     Get_4ed_Path_Function *get_4ed_path;
     Show_Mouse_Cursor_Function *show_mouse_cursor;
+    Toggle_Fullscreen_Function *toggle_fullscreen;
+    Is_Fullscreen_Function *is_fullscreen;
     void *cmd_context;
     void *system_links;
     void *current_coroutine;
@@ -234,4 +240,6 @@ app_links->memory_free = Memory_Free;\
 app_links->file_exists = File_Exists;\
 app_links->directory_cd = Directory_CD;\
 app_links->get_4ed_path = Get_4ed_Path;\
-app_links->show_mouse_cursor = Show_Mouse_Cursor; } while(false)
+app_links->show_mouse_cursor = Show_Mouse_Cursor;\
+app_links->toggle_fullscreen = Toggle_Fullscreen;\
+app_links->is_fullscreen = Is_Fullscreen; } while(false)

4coder_default_bindings.cpp

@@ -277,6 +277,7 @@ default_keys(Bind_Helper *context){
     bind(context, 'w', MDFR_ALT, hide_scrollbar);
     
     bind(context, key_f2, MDFR_NONE, toggle_mouse);
+    bind(context, key_page_up, MDFR_CTRL, toggle_fullscreen);
     
     end_map(context);
     

4coder_default_include.cpp

@@ -2299,6 +2299,10 @@ CUSTOM_COMMAND_SIG(build_search_regular){
 // Common Settings Commands
 //
 
+CUSTOM_COMMAND_SIG(toggle_fullscreen){
+    app->toggle_fullscreen(app);
+}
+
 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);

4ed.cpp

@@ -11,30 +11,30 @@
 
 // App Structs
 
-enum App_State{
+typedef enum App_State{
     APP_STATE_EDIT,
     APP_STATE_RESIZING,
     // never below this
     APP_STATE_COUNT
-};
+} App_State;
 
-struct App_State_Resizing{
+typedef struct App_State_Resizing{
     Panel_Divider *divider;
     f32 min, max;
-};
+} App_State_Resizing;
 
-struct CLI_Process{
+typedef struct CLI_Process{
     CLI_Handles cli;
     Editing_File *out_file;
     b32 cursor_at_end;
-};
+} CLI_Process;
 
-struct CLI_List{
+typedef struct CLI_List{
     CLI_Process *procs;
     i32 count, max;
-};
+} CLI_List;
 
-struct Command_Data{
+typedef struct Command_Data{
     Models *models;
     struct App_Vars *vars;
     System_Functions *system;
@@ -45,9 +45,9 @@ struct Command_Data{
     
     i32 screen_width, screen_height;
     Key_Event_Data key;
-};
+} Command_Data;
 
-enum Input_Types{
+typedef enum Input_Types{
     Input_AnyKey,
     Input_Esc,
     Input_MouseMove,
@@ -55,20 +55,20 @@ enum Input_Types{
     Input_MouseRightButton,
     Input_MouseWheel,
     Input_Count
-};
+} Input_Types;
 
-struct Consumption_Record{
+typedef struct Consumption_Record{
     b32 consumed;
     char consumer[32];
-};
+} Consumption_Record;
 
-struct Available_Input{
+typedef struct Available_Input{
     Key_Summary *keys;
     Mouse_State *mouse;
     Consumption_Record records[Input_Count];
-};
+} Available_Input;
 
-Available_Input
+internal Available_Input
 init_available_input(Key_Summary *keys, Mouse_State *mouse){
     Available_Input result = {0};
     result.keys = keys;
@@ -76,19 +76,19 @@ init_available_input(Key_Summary *keys, Mouse_State *mouse){
     return(result);
 }
 
-Key_Summary
+internal Key_Summary
 direct_get_key_data(Available_Input *available){
     Key_Summary result = *available->keys;
     return(result);
 }
 
-Mouse_State
+internal Mouse_State
 direct_get_mouse_state(Available_Input *available){
     Mouse_State result = *available->mouse;
     return(result);
 }
 
-Key_Summary
+internal Key_Summary
 get_key_data(Available_Input *available){
     Key_Summary result = {0};
     
@@ -113,7 +113,7 @@ get_key_data(Available_Input *available){
     return(result);
 }
 
-Mouse_State
+internal Mouse_State
 get_mouse_state(Available_Input *available){
     Mouse_State mouse = *available->mouse;
     if (available->records[Input_MouseLeftButton].consumed){
@@ -135,7 +135,7 @@ get_mouse_state(Available_Input *available){
     return(mouse);
 }
 
-void
+internal void
 consume_input(Available_Input *available, i32 input_type, char *consumer){
     Consumption_Record *record = &available->records[input_type];
     record->consumed = 1;
@@ -149,7 +149,7 @@ consume_input(Available_Input *available, i32 input_type, char *consumer){
     }
 }
 
-struct App_Vars{
+typedef struct App_Vars{
     Models models;
     // TODO(allen): This wants to live in
     // models with everyone else but the order
@@ -164,16 +164,17 @@ struct App_Vars{
     Command_Data command_data;
     
     Available_Input available_input;
-};
+} App_Vars;
 
-enum Coroutine_Type{
+typedef enum Coroutine_Type{
     Co_View,
     Co_Command
-};
+} Coroutine_Type;
-struct App_Coroutine_State{
+typedef struct App_Coroutine_State{
     void *co;
     i32 type;
-};
+} App_Coroutine_State;
+
 inline App_Coroutine_State
 get_state(Application_Links *app){
     App_Coroutine_State state = {0};
@@ -1086,6 +1087,7 @@ enum Command_Line_Action{
     CLAct_WindowSize,
     CLAct_WindowMaximize,
     CLAct_WindowPosition,
+    CLAct_WindowFullscreen,
     CLAct_FontSize,
     CLAct_FontStopHinting,
     CLAct_Count
@@ -1120,6 +1122,7 @@ init_command_line_settings(App_Settings *settings, Plat_Settings *plat_settings,
                         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_FontStopHinting; --i;          break;
@@ -1190,6 +1193,13 @@ init_command_line_settings(App_Settings *settings, Plat_Settings *plat_settings,
                 action = CLAct_Nothing;
             }break;
             
+            case CLAct_WindowFullscreen:
+            {
+                --i;
+                plat_settings->fullscreen_window = true;
+                action = CLAct_Nothing;
+            }break;
+            
             case CLAct_FontSize:
             {
                 if (i < clparams.argc){
@@ -2466,6 +2476,12 @@ App_Step_Sig(app_step){
                             "and if you load README.txt you'll find all the key combos there are.\n"
                             "\n"
                             "Newest features:\n"
+                            "-The commands for going to next error, previous error, etc now work\n"
+                            "  on any buffer with jump locations including *search*\n"
+                            "-4coder now supports proper, borderless, fullscreen with the flag -F\n"
+                            "  and fullscreen can be toggled with <control pageup>\n"
+                            "\n"
+                            "New in alpha 4.0.10:\n"
                             "-<control F> list all locations of a string across all open buffers\n"
                             "-Build now finds build.sh and Makefile on Linux\n"
                             "-<alt n> goes to the next error if the *compilation* buffer is open\n"

4ed.h

@@ -52,27 +52,29 @@ get_single_key(Key_Summary *summary, i32 index){
     return key;
 }
 
-struct Input_Summary{
+typedef struct Input_Summary{
     Mouse_State mouse;
     Key_Summary keys;
     f32 dt;
-};
+} Input_Summary;
 
-struct Command_Line_Parameters{
+typedef struct Command_Line_Parameters{
     char **argv;
     int32_t argc;
-};
+} Command_Line_Parameters;
 
-struct Plat_Settings{
+typedef struct Plat_Settings{
     char *custom_dll;
     b32 custom_dll_is_strict;
+    b32 fullscreen_window;
     
     i32 window_w, window_h;
     i32 window_x, window_y;
-    b8 set_window_pos, set_window_size;
+    b8 set_window_pos;
+    b8 set_window_size;
     b8 maximize_window;
     b8 use_hinting;
-};
+} Plat_Settings;
 
 #define App_Read_Command_Line_Sig(name)                 \
     i32 name(System_Functions *system,                  \

4ed_api_implementation.cpp

@@ -2039,6 +2039,7 @@ directories controlled on the custom side.
     return(hot->string.size);
 }
 
+// TODO(allen): Replace this with an autogenerated file
 #define Memory_Allocate system->memory_allocate
 #define Memory_Set_Protection system->memory_set_protection
 #define Memory_Free system->memory_free
@@ -2048,6 +2049,9 @@ directories controlled on the custom side.
 #define Directory_CD system->directory_cd
 #define Show_Mouse_Cursor system->show_mouse_cursor
 
+#define Toggle_Fullscreen system->toggle_fullscreen
+#define Is_Fullscreen system->is_fullscreen
+
 API_EXPORT File_List
 Get_File_List(Application_Links *app, char *dir, int32_t len)/*
 DOC_PARAM(dir, This parameter specifies the directory whose files will be enumerated in the returned list; it need not be null terminated.)

4ed_os_custom_api.h

@@ -5,6 +5,8 @@
 #define DIRECTORY_CD_SIG(n) bool32 n(Application_Links *app, char *dir, int32_t *len, int32_t capacity, char *rel_path, int32_t rel_len)
 #define GET_4ED_PATH_SIG(n) bool32 n(Application_Links *app, char *out, int32_t capacity)
 #define SHOW_MOUSE_CURSOR_SIG(n) void n(Application_Links *app, Mouse_Cursor_Show_Type show)
+#define TOGGLE_FULLSCREEN_SIG(n) void n(Application_Links *app)
+#define IS_FULLSCREEN_SIG(n) bool32 n(Application_Links *app)
 typedef MEMORY_ALLOCATE_SIG(Memory_Allocate_Function);
 typedef MEMORY_SET_PROTECTION_SIG(Memory_Set_Protection_Function);
 typedef MEMORY_FREE_SIG(Memory_Free_Function);
@@ -12,3 +14,5 @@ typedef FILE_EXISTS_SIG(File_Exists_Function);
 typedef DIRECTORY_CD_SIG(Directory_CD_Function);
 typedef GET_4ED_PATH_SIG(Get_4ed_Path_Function);
 typedef SHOW_MOUSE_CURSOR_SIG(Show_Mouse_Cursor_Function);
+typedef TOGGLE_FULLSCREEN_SIG(Toggle_Fullscreen_Function);
+typedef IS_FULLSCREEN_SIG(Is_Fullscreen_Function);

4ed_system.h

@@ -235,6 +235,8 @@ struct System_Functions{
     Directory_CD_Function *directory_cd;
     Get_4ed_Path_Function *get_4ed_path;
     Show_Mouse_Cursor_Function *show_mouse_cursor;
+    Toggle_Fullscreen_Function *toggle_fullscreen;
+    Is_Fullscreen_Function *is_fullscreen;
     
     // clipboard: 1
     System_Post_Clipboard *post_clipboard;

build.c

@@ -264,7 +264,7 @@ buildsuper(char *code_path, char *out_path, char *filename){
 
 static void
 standard_build(char *cdir, uint32_t flags){
-#if 0
+#if 1
     {
         BEGIN_TIME_SECTION();
         build(OPTS, cdir, "fsm_table_generator.cpp",
@@ -279,7 +279,7 @@ standard_build(char *cdir, uint32_t flags){
     }
 #endif
     
-#if 0
+#if 1
     {
         BEGIN_TIME_SECTION();
         build(OPTS | DEBUG_INFO, cdir, "4ed_metagen.cpp",
@@ -305,7 +305,7 @@ standard_build(char *cdir, uint32_t flags){
     }
 #endif
     
-#if 0
+#if 1
     {
         BEGIN_TIME_SECTION();
         build(OPTS | INCLUDES | SHARED_CODE | flags, cdir, "4ed_app_target.cpp",

win32_4ed.cpp

@@ -1106,6 +1106,80 @@ Sys_Get_Binary_Path_Sig(system_get_binary_path){
     return(result);
 }
 
+
+/*
+NOTE(casey): This follows Raymond Chen's prescription
+for fullscreen toggling, see:
+http://blogs.msdn.com/b/oldnewthing/archive/2010/04/12/9994016.aspx
+*/
+
+// TODO(allen): Move these into win32vars
+static b32 full_screen = 0;
+static b32 do_toggle = 0;
+static WINDOWPLACEMENT GlobalWindowPosition = {sizeof(GlobalWindowPosition)};
+
+internal void
+Win32ToggleFullscreen(void){
+    HWND Window = win32vars.window_handle;
+    LONG_PTR Style = GetWindowLongPtr(Window, GWL_STYLE);
+    if (Style & WS_OVERLAPPEDWINDOW){
+        MONITORINFO MonitorInfo = {sizeof(MonitorInfo)};
+        if(GetWindowPlacement(Window, &GlobalWindowPosition) &&
+           GetMonitorInfo(MonitorFromWindow(Window, MONITOR_DEFAULTTOPRIMARY), &MonitorInfo))
+        {
+            SetWindowLongPtr(Window, GWL_STYLE, Style & ~WS_OVERLAPPEDWINDOW);
+            SetWindowPos(Window, HWND_TOP,
+                         MonitorInfo.rcMonitor.left, MonitorInfo.rcMonitor.top,
+                         MonitorInfo.rcMonitor.right - MonitorInfo.rcMonitor.left,
+                         MonitorInfo.rcMonitor.bottom - MonitorInfo.rcMonitor.top,
+                         SWP_NOOWNERZORDER | SWP_FRAMECHANGED);
+            full_screen = 1;
+        }
+    }
+    else{
+        SetWindowLongPtr(Window, GWL_STYLE, Style | WS_OVERLAPPEDWINDOW);
+        SetWindowPlacement(Window, &GlobalWindowPosition);
+        SetWindowPos(Window, 0, 0, 0, 0, 0,
+                     SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER |
+                     SWP_NOOWNERZORDER | SWP_FRAMECHANGED);
+        full_screen = 0;
+    }
+}
+
+/*
+NOTE(allen): 
+This is the crazy hacky nonsense I came up with to get alt-tab
+working in full screen mode.  It puts the window back into
+bordered mode when the alt-tabbing begins.  When the window regains
+focus it is automatically refullscreened.
+*/
+
+internal void
+Win32FixFullscreenLoseFocus(b32 lose_focus){
+    if (full_screen){
+        
+        HWND Window = win32vars.window_handle;
+        LONG_PTR Style = GetWindowLongPtr(Window, GWL_STYLE);
+        
+        MONITORINFO MonitorInfo = {sizeof(MonitorInfo)};
+        if(GetMonitorInfo(MonitorFromWindow(Window, MONITOR_DEFAULTTOPRIMARY), &MonitorInfo))
+        {
+            if (lose_focus){
+                SetWindowLongPtr(Window, GWL_STYLE, Style | WS_OVERLAPPEDWINDOW);
+            }
+            else{
+                SetWindowLongPtr(Window, GWL_STYLE, Style & ~WS_OVERLAPPEDWINDOW);
+            }
+            
+            SetWindowPos(Window, HWND_TOP,
+                         MonitorInfo.rcMonitor.left, MonitorInfo.rcMonitor.top,
+                         MonitorInfo.rcMonitor.right - MonitorInfo.rcMonitor.left,
+                         MonitorInfo.rcMonitor.bottom - MonitorInfo.rcMonitor.top,
+                         SWP_NOOWNERZORDER | SWP_FRAMECHANGED);
+        }
+    }
+}
+
 #include "win32_api_impl.cpp"
 
 //
@@ -1407,11 +1481,17 @@ Win32LoadSystemCode(){
     win32vars.system.now_time = system_now_time;
     
     win32vars.system.memory_allocate = Memory_Allocate;
+    win32vars.system.memory_set_protection = Memory_Set_Protection;
+    win32vars.system.memory_free = Memory_Free;
+    
     win32vars.system.file_exists = File_Exists;
     win32vars.system.directory_cd = Directory_CD;
     win32vars.system.get_4ed_path = Get_4ed_Path;
     win32vars.system.show_mouse_cursor = Show_Mouse_Cursor;
     
+    win32vars.system.toggle_fullscreen = Toggle_Fullscreen;
+    win32vars.system.is_fullscreen = Is_Fullscreen;
+    
     win32vars.system.post_clipboard = system_post_clipboard;
     
     win32vars.system.create_coroutine = system_create_coroutine;
@@ -1511,69 +1591,6 @@ Win32Resize(i32 width, i32 height){
     }
 }
 
-/*
-NOTE(casey): This follows Raymond Chen's prescription
-for fullscreen toggling, see:
-http://blogs.msdn.com/b/oldnewthing/archive/2010/04/12/9994016.aspx
-*/
-
-static b32 full_screen = 0;
-static WINDOWPLACEMENT GlobalWindowPosition = {sizeof(GlobalWindowPosition)};
-
-internal void
-Win32ToggleFullscreen(void){
-    HWND Window = win32vars.window_handle;
-    LONG_PTR Style = GetWindowLongPtr(Window, GWL_STYLE);
-    if (Style & WS_OVERLAPPEDWINDOW){
-        MONITORINFO MonitorInfo = {sizeof(MonitorInfo)};
-        if(GetWindowPlacement(Window, &GlobalWindowPosition) &&
-           GetMonitorInfo(MonitorFromWindow(Window, MONITOR_DEFAULTTOPRIMARY), &MonitorInfo))
-        {
-            SetWindowLongPtr(Window, GWL_STYLE, Style & ~WS_OVERLAPPEDWINDOW);
-            SetWindowPos(Window, HWND_TOP,
-                         MonitorInfo.rcMonitor.left, MonitorInfo.rcMonitor.top,
-                         MonitorInfo.rcMonitor.right - MonitorInfo.rcMonitor.left,
-                         MonitorInfo.rcMonitor.bottom - MonitorInfo.rcMonitor.top,
-                         SWP_NOOWNERZORDER | SWP_FRAMECHANGED);
-            full_screen = 1;
-        }
-    }
-    else{
-        SetWindowLongPtr(Window, GWL_STYLE, Style | WS_OVERLAPPEDWINDOW);
-        SetWindowPlacement(Window, &GlobalWindowPosition);
-        SetWindowPos(Window, 0, 0, 0, 0, 0,
-                     SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER |
-                     SWP_NOOWNERZORDER | SWP_FRAMECHANGED);
-        full_screen = 0;
-    }
-}
-
-internal void
-Win32FixFullscreenLoseFocus(b32 lose_focus){
-    if (full_screen){
-        
-        HWND Window = win32vars.window_handle;
-        LONG_PTR Style = GetWindowLongPtr(Window, GWL_STYLE);
-        
-        MONITORINFO MonitorInfo = {sizeof(MonitorInfo)};
-        if(GetMonitorInfo(MonitorFromWindow(Window, MONITOR_DEFAULTTOPRIMARY), &MonitorInfo))
-        {
-            if (lose_focus){
-                SetWindowLongPtr(Window, GWL_STYLE, Style | WS_OVERLAPPEDWINDOW);
-            }
-            else{
-                SetWindowLongPtr(Window, GWL_STYLE, Style & ~WS_OVERLAPPEDWINDOW);
-            }
-            
-            SetWindowPos(Window, HWND_TOP,
-                         MonitorInfo.rcMonitor.left, MonitorInfo.rcMonitor.top,
-                         MonitorInfo.rcMonitor.right - MonitorInfo.rcMonitor.left,
-                         MonitorInfo.rcMonitor.bottom - MonitorInfo.rcMonitor.top,
-                         SWP_NOOWNERZORDER | SWP_FRAMECHANGED);
-        }
-    }
-}
-
 internal void
 Win32SetCursorFromUpdate(Application_Mouse_Cursor cursor){
     switch (cursor){
@@ -2188,7 +2205,7 @@ WinMain(HINSTANCE hInstance,
     }
     
     i32 window_style = WS_OVERLAPPEDWINDOW;
-    if (win32vars.settings.maximize_window){
+    if (!win32vars.settings.fullscreen_window && win32vars.settings.maximize_window){
         window_style |= WS_MAXIMIZE;
     }
     
@@ -2324,6 +2341,9 @@ WinMain(HINSTANCE hInstance,
     win32vars.first = 1;
     timeBeginPeriod(1);
     
+    if (win32vars.settings.fullscreen_window){
+        Win32ToggleFullscreen();
+    }
     
     SetForegroundWindow(win32vars.window_handle);
     SetActiveWindow(win32vars.window_handle);
@@ -2445,6 +2465,11 @@ WinMain(HINSTANCE hInstance,
             keep_playing = 0;
         }
         
+        if (do_toggle){
+            Win32ToggleFullscreen();
+            do_toggle = 0;
+        }
+        
         Win32SetCursorFromUpdate(result.mouse_cursor_type);
         win32vars.lctrl_lalt_is_altgr = result.lctrl_lalt_is_altgr;
         

win32_api_impl.cpp

@@ -176,5 +176,26 @@ DOC_SEE(Mouse_Cursor_Show_Type)
     }
 }
 
+API_EXPORT void
+Toggle_Fullscreen(Application_Links *app)/*
+*/{
+    /* NOTE(allen): Don't actually change window size now!
+    Tell the platform layer to do the toggle (or to cancel the toggle)
+    later when the app.step function isn't running. If the size changes
+    mid step, it messes up the rendering rules and stuff. */
+    do_toggle = !do_toggle;
+}
+
+API_EXPORT bool32
+Is_Fullscreen(Application_Links *app)/*
+*/{
+    /* NOTE(allen): This is a fancy way of say 'full_screen XOR do_toggle'
+    This way this function can always report the state the fullscreen
+    will have when the next frame runs, given the number of toggles
+    that have occurred this frame and the original value. */
+    bool32 result = (full_screen + do_toggle) & 1;
+    return(result);
+}
+
 // BOTTOM