chrome/browser/ui/gtk/gtk_window_util.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_UI_GTK_GTK_WINDOW_UTIL_H_
   6 #define CHROME_BROWSER_UI_GTK_GTK_WINDOW_UTIL_H_
   7
   8 #include <gtk/gtk.h>
   9 #include <gdk/gdk.h>
  10 #include "ui/gfx/rect.h"
  11
  12 namespace content {
  13 class WebContents;
  14 }
  15
  16 namespace ui{
  17 class BaseWindow;
  18 }
  19
  20 namespace gtk_window_util {
  21
  22 // The frame border is only visible in restored mode and is hardcoded to 4 px
  23 // on each side regardless of the system window border size.
  24 extern const int kFrameBorderThickness;
  25 // In the window corners, the resize areas don't actually expand bigger, but
  26 // the 16 px at the end of each edge triggers diagonal resizing.
  27 extern const int kResizeAreaCornerSize;
  28
  29 // Performs Cut/Copy/Paste operation on the |window|'s |web_contents|.
  30 void DoCut(GtkWindow* window, content::WebContents* web_contents);
  31 void DoCopy(GtkWindow* window, content::WebContents* web_contents);
  32 void DoPaste(GtkWindow* window, content::WebContents* web_contents);
  33
  34 // Ubuntu patches their version of GTK+ to that there is always a
  35 // gripper in the bottom right corner of the window. We always need to
  36 // disable this feature since we can't communicate this to WebKit easily.
  37 void DisableResizeGrip(GtkWindow* window);
  38
  39 // Returns the resize cursor corresponding to the window |edge|.
  40 GdkCursorType GdkWindowEdgeToGdkCursorType(GdkWindowEdge edge);
  41
  42 // Returns |true| if the window bounds match the monitor size.
  43 bool BoundsMatchMonitorSize(GtkWindow* window, gfx::Rect bounds);
  44
  45 bool HandleTitleBarLeftMousePress(GtkWindow* window,
  46                                   const gfx::Rect& bounds,
  47                                   GdkEventButton* event);
  48
  49 // Request the underlying window to unmaximize.  Also tries to work around
  50 // a window manager "feature" that can prevent this in some edge cases.
  51 void UnMaximize(GtkWindow* window,
  52                 const gfx::Rect& bounds,
  53                 const gfx::Rect& restored_bounds);
  54
  55 // Set a custom WM_CLASS for a window.
  56 void SetWindowCustomClass(GtkWindow* window, const std::string& wmclass);
  57
  58 // A helper method for setting the GtkWindow size that should be used in place
  59 // of calling gtk_window_resize directly.  This is done to avoid a WM "feature"
  60 // where setting the window size to the monitor size causes the WM to set the
  61 // EWMH for full screen mode.
  62 void SetWindowSize(GtkWindow* window, const gfx::Size& size);
  63
  64 // Update the origin of |bounds| and |restored_bounds| with values gotten
  65 // from GTK.
  66 void UpdateWindowPosition(ui::BaseWindow* window,
  67                           gfx::Rect* bounds,
  68                           gfx::Rect* restored_bounds);
  69
  70 // If the point (|x|, |y|) is within the resize border area of the window,
  71 // returns true and sets |edge| to the appropriate GdkWindowEdge value.
  72 // Otherwise, returns false.
  73 // |top_edge_inset| specifies how much smaller (in px) than the default edge
  74 // size the top edge should be, used by browser windows to make it easier to
  75 // move the window since a lot of title bar space is taken by the tabs.
  76 bool GetWindowEdge(const gfx::Size& window_size,
  77                    int top_edge_inset,
  78                    int x,
  79                    int y,
  80                    GdkWindowEdge* edge);
  81
  82 }  // namespace gtk_window_util
  83
  84 #endif  // CHROME_BROWSER_UI_GTK_GTK_WINDOW_UTIL_H_
  85