forked from AuroraMiddleware/gtk
b2ea707614
We need to force redraws of the whole window when we are using EGL/ANGLE during maximize, restore and Aerosnap ops so that we do not get glitches in the resulting window.
395 lines
12 KiB
C
395 lines
12 KiB
C
/* GDK - The GIMP Drawing Kit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* Modified by the GTK+ Team and others 1997-1999. See the AUTHORS
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* file for a list of people on the GTK+ Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#ifndef __GDK_WINDOW_WIN32_H__
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#define __GDK_WINDOW_WIN32_H__
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#include "gdk/win32/gdkprivate-win32.h"
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#include "gdk/gdkwindowimpl.h"
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#include "gdk/gdkcursor.h"
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#include <windows.h>
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#ifdef GDK_WIN32_ENABLE_EGL
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#include <epoxy/egl.h>
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#endif
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G_BEGIN_DECLS
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/* Window implementation for Win32
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*/
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typedef struct _GdkWindowImplWin32 GdkWindowImplWin32;
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typedef struct _GdkWindowImplWin32Class GdkWindowImplWin32Class;
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#define GDK_TYPE_WINDOW_IMPL_WIN32 (_gdk_window_impl_win32_get_type ())
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#define GDK_WINDOW_IMPL_WIN32(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_WINDOW_IMPL_WIN32, GdkWindowImplWin32))
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#define GDK_WINDOW_IMPL_WIN32_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_WINDOW_IMPL_WIN32, GdkWindowImplWin32Class))
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#define GDK_IS_WINDOW_IMPL_WIN32(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_WINDOW_IMPL_WIN32))
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#define GDK_IS_WINDOW_IMPL_WIN32_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_WINDOW_IMPL_WIN32))
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#define GDK_WINDOW_IMPL_WIN32_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_WINDOW_IMPL_WIN32, GdkWindowImplWin32Class))
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enum _GdkWin32AeroSnapCombo
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{
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GDK_WIN32_AEROSNAP_COMBO_NOTHING = 0,
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GDK_WIN32_AEROSNAP_COMBO_UP,
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GDK_WIN32_AEROSNAP_COMBO_DOWN,
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GDK_WIN32_AEROSNAP_COMBO_LEFT,
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GDK_WIN32_AEROSNAP_COMBO_RIGHT,
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/* Same order as non-shift variants. We use it to do things like:
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* AEROSNAP_UP + 4 = AEROSNAP_SHIFTUP
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*/
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GDK_WIN32_AEROSNAP_COMBO_SHIFTUP,
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GDK_WIN32_AEROSNAP_COMBO_SHIFTDOWN,
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GDK_WIN32_AEROSNAP_COMBO_SHIFTLEFT,
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GDK_WIN32_AEROSNAP_COMBO_SHIFTRIGHT
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};
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typedef enum _GdkWin32AeroSnapCombo GdkWin32AeroSnapCombo;
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enum _GdkWin32AeroSnapState
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{
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GDK_WIN32_AEROSNAP_STATE_UNDETERMINED = 0,
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GDK_WIN32_AEROSNAP_STATE_HALFLEFT,
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GDK_WIN32_AEROSNAP_STATE_HALFRIGHT,
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GDK_WIN32_AEROSNAP_STATE_FULLUP,
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/* Maximize state is only used by edge-snap */
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GDK_WIN32_AEROSNAP_STATE_MAXIMIZE
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};
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typedef enum _GdkWin32AeroSnapState GdkWin32AeroSnapState;
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struct _GdkRectangleDouble
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{
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gdouble x;
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gdouble y;
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gdouble width;
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gdouble height;
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};
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typedef struct _GdkRectangleDouble GdkRectangleDouble;
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enum _GdkW32WindowDragOp
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{
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GDK_WIN32_DRAGOP_NONE = 0,
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GDK_WIN32_DRAGOP_RESIZE,
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GDK_WIN32_DRAGOP_MOVE,
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GDK_WIN32_DRAGOP_COUNT
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};
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typedef enum _GdkW32WindowDragOp GdkW32WindowDragOp;
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typedef enum _GdkWin32MonitorDpiType
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{
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MDT_EFFECTIVE_DPI = 0,
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MDT_ANGULAR_DPI = 1,
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MDT_RAW_DPI = 2,
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MDT_DEFAULT = MDT_EFFECTIVE_DPI
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} GdkWin32MonitorDpiType;
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struct _GdkW32DragMoveResizeContext
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{
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/* The window that is being moved/resized */
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GdkWindow *window;
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/* The kind of drag-operation going on. */
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GdkW32WindowDragOp op;
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/* The edge that was grabbed for resizing. Not used for moving. */
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GdkWindowEdge edge;
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/* The device used to initiate the op.
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* We grab it at the beginning and ungrab it at the end.
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*/
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GdkDevice *device;
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/* The button pressed down to initiate the op.
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* The op will be canceled only when *this* button
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* is released.
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*/
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gint button;
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/* Initial cursor position when the operation began.
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* Current cursor position is subtracted from it to find how far
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* to move window border(s).
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*/
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gint start_root_x;
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gint start_root_y;
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/* Initial window rectangle (position and size).
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* The window is resized/moved relative to this (see start_root_*).
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*/
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RECT start_rect;
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/* Not used */
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guint32 timestamp;
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/* TRUE if during the next redraw we should call SetWindowPos() to push
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* the window size and poistion to the native window.
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*/
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gboolean native_move_resize_pending;
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/* The cursor we should use while the operation is running. */
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GdkCursor *cursor;
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/* This window looks like an outline and is drawn under the window
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* that is being dragged. It indicates the shape the dragged window
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* will take if released at a particular point.
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* Indicator window size always matches the target indicator shape,
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* the the actual indicator drawn on it might not, depending on
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* how much time elapsed since the animation started.
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*/
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HWND shape_indicator;
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/* Used to draw the indicator */
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cairo_surface_t *indicator_surface;
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gint indicator_surface_width;
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gint indicator_surface_height;
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/* Size/position of shape_indicator */
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GdkRectangle indicator_window_rect;
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/* Indicator will animate to occupy this rectangle */
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GdkRectangle indicator_target;
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/* Indicator will start animating from this rectangle */
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GdkRectangle indicator_start;
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/* Timestamp of the animation start */
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gint64 indicator_start_time;
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/* Timer that drives the animation */
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guint timer;
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/* A special timestamp, if we want to draw not how
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* the animation should look *now*, but how it should
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* look at arbitrary moment of time.
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* Set to 0 to tell GDK to use current time.
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*/
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gint64 draw_timestamp;
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/* Indicates that a transformation was revealed:
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*
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* For drag-resize: If it's FALSE,
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* then the pointer have not yet hit a trigger that triggers fullup.
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* If TRUE, then the pointer did hit a trigger that triggers fullup
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* at some point during this drag op.
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* This is used to prevent drag-resize from triggering
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* a transformation when first approaching a trigger of the work area -
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* one must drag it all the way to the very trigger to trigger; afterwards
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* a transformation will start triggering at some distance from the trigger
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* for as long as the op is still running. This is how AeroSnap works.
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*
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* For drag-move: If it's FALSE,
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* then the pointer have not yet hit a trigger, even if it is
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* already within a edge region.
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* If it's TRUE, then the pointer did hit a trigger within an
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* edge region, and have not yet left an edge region
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* (passing from one edge region into another doesn't count).
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*/
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gboolean revealed;
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/* Arrays of GdkRectangle pairs, describing the areas of the virtual
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* desktop that trigger various AeroSnap window transofrmations
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* Coordinates are GDK screen coordinates.
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*/
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GArray *halfleft_regions;
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GArray *halfright_regions;
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GArray *maximize_regions;
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GArray *fullup_regions;
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/* Current pointer position will result in this kind of snapping,
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* if the drag op is finished.
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*/
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GdkWin32AeroSnapState current_snap;
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};
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typedef struct _GdkW32DragMoveResizeContext GdkW32DragMoveResizeContext;
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struct _GdkWindowImplWin32
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{
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GdkWindowImpl parent_instance;
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GdkWindow *wrapper;
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HANDLE handle;
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gint8 toplevel_window_type;
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GdkCursor *cursor;
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HICON hicon_big;
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HICON hicon_small;
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/* When VK_PACKET sends us a leading surrogate, it's stashed here.
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* Later, when another VK_PACKET sends a tailing surrogate, we make up
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* a full unicode character from them, or discard the leading surrogate,
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* if the next key is not a tailing surrogate.
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*/
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wchar_t leading_surrogate_keydown;
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wchar_t leading_surrogate_keyup;
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/* Window size hints */
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gint hint_flags;
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GdkGeometry hints;
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GdkEventMask native_event_mask;
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GdkWindowTypeHint type_hint;
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GdkWindow *transient_owner;
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GSList *transient_children;
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gint num_transients;
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gboolean changing_state;
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gint initial_x;
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gint initial_y;
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/* left/right/top/bottom width of the shadow/resize-grip around the window */
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RECT margins;
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/* left+right and top+bottom from @margins */
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gint margins_x;
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gint margins_y;
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/* Set to TRUE when GTK tells us that margins are 0 everywhere.
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* We don't actually set margins to 0, we just set this bit.
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*/
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guint zero_margins : 1;
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guint no_bg : 1;
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guint inhibit_configure : 1;
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guint override_redirect : 1;
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/* Set to TRUE if window is using true layered mode adjustments
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* via UpdateLayeredWindow().
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* Layered windows that get SetLayeredWindowAttributes() called
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* on them are not true layered windows.
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*/
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guint layered : 1;
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/* If TRUE, the @temp_styles is set to the styles that were temporarily
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* added to this window.
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*/
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guint have_temp_styles : 1;
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/* If TRUE, the window is in the process of being maximized.
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* This is set by WM_SYSCOMMAND and by gdk_win32_window_maximize (),
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* and is unset when WM_WINDOWPOSCHANGING is handled.
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*/
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guint maximizing : 1;
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/* GDK does not keep window contents around, it just draws new
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* stuff over the window where changes occurred.
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* cache_surface retains old window contents, because
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* UpdateLayeredWindow() doesn't do partial redraws.
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*/
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cairo_surface_t *cache_surface;
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cairo_surface_t *cairo_surface;
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/* Unlike window-backed surfaces, DIB-backed surface
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* does not provide a way to query its size,
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* so we have to remember it ourselves.
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*/
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gint dib_width;
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gint dib_height;
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/* If the client wants uniformly-transparent window,
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* we remember the opacity value here and apply it
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* during UpdateLayredWindow() call, for layered windows.
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*/
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gdouble layered_opacity;
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HDC hdc;
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int hdc_count;
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HBITMAP saved_dc_bitmap; /* Original bitmap for dc */
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GdkW32DragMoveResizeContext drag_move_resize_context;
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/* Remembers where the window was snapped.
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* Some snap operations change their meaning if
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* the window is already snapped.
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*/
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GdkWin32AeroSnapState snap_state;
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/* Remembers window position before it was snapped.
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* This is used to unsnap it.
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* Position and size are percentages of the workarea
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* of the monitor on which the window was before it was snapped.
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*/
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GdkRectangleDouble *snap_stash;
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/* Also remember the same position, but in absolute form. */
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GdkRectangle *snap_stash_int;
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/* Decorations set by gdk_window_set_decorations() or NULL if unset */
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GdkWMDecoration* decorations;
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/* No. of windows to force layered windows off */
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guint suppress_layered;
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/* Temporary styles that this window got for the purpose of
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* handling WM_SYSMENU.
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* They are removed at the first opportunity (usually WM_INITMENU).
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*/
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LONG_PTR temp_styles;
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/* scale of window on HiDPI */
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gint window_scale;
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gint unscaled_width;
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gint unscaled_height;
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#ifdef GDK_WIN32_ENABLE_EGL
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EGLSurface egl_surface;
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EGLSurface egl_dummy_surface;
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guint egl_force_redraw_all : 1;
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#endif
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};
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struct _GdkWindowImplWin32Class
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{
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GdkWindowImplClass parent_class;
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};
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GType _gdk_window_impl_win32_get_type (void);
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void _gdk_win32_window_tmp_unset_bg (GdkWindow *window,
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gboolean recurse);
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void _gdk_win32_window_tmp_reset_bg (GdkWindow *window,
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gboolean recurse);
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void _gdk_win32_window_tmp_unset_parent_bg (GdkWindow *window);
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void _gdk_win32_window_tmp_reset_parent_bg (GdkWindow *window);
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void _gdk_win32_window_update_style_bits (GdkWindow *window);
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gint _gdk_win32_window_get_scale_factor (GdkWindow *window);
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#ifdef GDK_WIN32_ENABLE_EGL
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EGLSurface _gdk_win32_window_get_egl_surface (GdkWindow *window,
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EGLConfig config,
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gboolean is_dummy);
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#endif
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G_END_DECLS
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#endif /* __GDK_WINDOW_WIN32_H__ */
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