Implement maximize/restore controls

Remove also resize from top and right of the window

data/core/titleview.lua

@@ -3,10 +3,18 @@ local common = require "core.common"
 local style = require "core.style"
 local View = require "core.view"
 
+local restore_command = {
+  symbol = "w", action = function() system.set_window_mode("normal") end
+}
+
+local maximize_command = {
+  symbol = "W", action = function() system.set_window_mode("maximized") end
+}
+
 local title_commands = {
   {symbol = "_", action = function() system.set_window_mode("minimized") end},
-  {symbol = "w", action = function() system.set_window_mode("maximized") end},
+  maximize_command,
-  {symbol = "W", action = function() core.quit() end},
+  {symbol = "X", action = function() core.quit() end},
 }
 
 local TitleView = View:extend()
@@ -28,6 +36,8 @@ function TitleView:update()
     self.size.y = 0
   end
   TitleView.super.update(self)
+  local window_mode = system.get_window_mode()
+  title_commands[2] = window_mode == "maximized" and restore_command or maximize_command
   local title_height = self.size.y
   if core.window_borderless and title_height ~= core.hit_test_title_height then
     local icon_w = style.icon_font:get_width("_")

dev-utils/fontello-config-small.json

@@ -1,5 +1,5 @@
 {
-  "name": "",
+  "name": "icons",
   "css_prefix_text": "icon-",
   "css_use_suffix": false,
   "hinting": true,
@@ -99,7 +99,7 @@
     {
       "uid": "7394501fc0b17cb7bda99538f92e26d6",
       "css": "window-close",
-      "code": 87,
+      "code": 88,
       "src": "fontawesome"
     },
     {
@@ -107,6 +107,12 @@
       "css": "menu-1",
       "code": 77,
       "src": "fontawesome"
+    },
+    {
+      "uid": "07f0832c07f3d9713fffb06c8bffa027",
+      "css": "window-maximize",
+      "code": 87,
+      "src": "fontawesome"
     }
   ]
 }

src/api/system.c

@@ -44,6 +44,9 @@ typedef struct HitTestInfo HitTestInfo;
 
 static HitTestInfo window_hit_info[1] = {{0, 0}};
 
+#define RESIZE_FROM_TOP 0
+#define RESIZE_FROM_RIGHT 0
+
 static SDL_HitTestResult SDLCALL hit_test(SDL_Window *window, const SDL_Point *pt, void *data) {
   const HitTestInfo *hit_info = (HitTestInfo *) data;
   const int resize_border = hit_info->resize_border;
@@ -52,7 +55,10 @@ static SDL_HitTestResult SDLCALL hit_test(SDL_Window *window, const SDL_Point *p
 
   SDL_GetWindowSize(window, &w, &h);
 
-  if (pt->y < hit_info->title_height && pt->y > hit_info->resize_border &&
+  if (pt->y < hit_info->title_height &&
+    #if RESIZE_FROM_TOP
+    pt->y > hit_info->resize_border &&
+    #endif
     pt->x > resize_border && pt->x < w - controls_width) {
     return SDL_HITTEST_DRAGGABLE;
   }
@@ -63,12 +69,16 @@ static SDL_HitTestResult SDLCALL hit_test(SDL_Window *window, const SDL_Point *p
 
   if (pt->x < resize_border && pt->y < resize_border) {
     REPORT_RESIZE_HIT(TOPLEFT);
+  #if RESIZE_FROM_TOP
   } else if (pt->x > resize_border && pt->x < w - controls_width && pt->y < resize_border) {
     REPORT_RESIZE_HIT(TOP);
+  #endif
   } else if (pt->x > w - resize_border && pt->y < resize_border) {
     REPORT_RESIZE_HIT(TOPRIGHT);
+  #if RESIZE_FROM_RIGHT
   } else if (pt->x > w - resize_border && pt->y > resize_border && pt->y < h - resize_border) {
     REPORT_RESIZE_HIT(RIGHT);
+  #endif
   } else if (pt->x > w - resize_border && pt->y > h - resize_border) {
     REPORT_RESIZE_HIT(BOTTOMRIGHT);
   } else if (pt->x < w - resize_border && pt->x > resize_border && pt->y > h - resize_border) {
@@ -298,6 +308,21 @@ static int f_window_has_focus(lua_State *L) {
 }
 
 
+static int f_get_window_mode(lua_State *L) {
+  unsigned flags = SDL_GetWindowFlags(window);
+  if (flags & SDL_WINDOW_FULLSCREEN_DESKTOP) {
+    lua_pushstring(L, "fullscreen");
+  } else if (flags & SDL_WINDOW_MINIMIZED) {
+    lua_pushstring(L, "minimized");
+  } else if (flags & SDL_WINDOW_MAXIMIZED) {
+    lua_pushstring(L, "maximized");
+  } else {
+    lua_pushstring(L, "normal");
+  }
+  return 1;
+}
+
+
 static int f_show_fatal_error(lua_State *L) {
   const char *title = luaL_checkstring(L, 1);
   const char *msg = luaL_checkstring(L, 2);
@@ -508,6 +533,7 @@ static const luaL_Reg lib[] = {
   { "set_cursor",          f_set_cursor          },
   { "set_window_title",    f_set_window_title    },
   { "set_window_mode",     f_set_window_mode     },
+  { "get_window_mode",     f_get_window_mode     },
   { "set_window_bordered", f_set_window_bordered },
   { "set_window_hit_test", f_set_window_hit_test },
   { "get_window_size",     f_get_window_size     },