forked from AuroraMiddleware/gtk
82d9570ed4
Make the toplevel surface respond to size computations unless it is just being created, or maximized, made fullscreen or underwent an AeroSnap operation. This will ensure that the surface size is properly computed in time, so that surfaces can be resized as needed. This will fix issues 3728 and 3799.
384 lines
11 KiB
C
384 lines
11 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_SURFACE_WIN32_H__
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#define __GDK_SURFACE_WIN32_H__
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#include "gdk/win32/gdkprivate-win32.h"
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#include "gdk/win32/gdkwin32cursor.h"
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#include "gdk/win32/gdkwin32surface.h"
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#include "gdk/gdksurfaceprivate.h"
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#include "gdk/gdkcursor.h"
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#include <windows.h>
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#ifdef HAVE_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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typedef enum
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{
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GDK_DECOR_ALL = 1 << 0,
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GDK_DECOR_BORDER = 1 << 1,
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GDK_DECOR_RESIZEH = 1 << 2,
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GDK_DECOR_TITLE = 1 << 3,
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GDK_DECOR_MENU = 1 << 4,
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GDK_DECOR_MINIMIZE = 1 << 5,
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GDK_DECOR_MAXIMIZE = 1 << 6
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} GdkWMDecoration;
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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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double x;
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double y;
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double width;
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double 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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struct _GdkW32DragMoveResizeContext
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{
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/* The window that is being moved/resized */
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GdkSurface *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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GdkSurfaceEdge 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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int 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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int start_root_x;
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int 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 position 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 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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int indicator_surface_width;
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int 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 an 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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/* defined in gdkdrop-win32.c */
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typedef struct _drop_target_context drop_target_context;
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struct _GdkWin32Surface
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{
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GdkSurface parent_instance;
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HANDLE handle;
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HICON hicon_big;
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HICON hicon_small;
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/* The cursor that GDK set for this window via GdkDevice */
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GdkWin32HCursor *cursor;
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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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int hint_flags;
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GdkGeometry hints;
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/* Non-NULL for any window that is registered as a drop target.
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* For OLE2 protocol only.
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*/
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drop_target_context *drop_target;
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GdkSurface *transient_owner;
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GSList *transient_children;
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int num_transients;
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gboolean changing_state;
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int initial_x;
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int initial_y;
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/* left/right/top/bottom width of the shadow/resize-grip around the window */
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RECT shadow;
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/* left+right and top+bottom from @shadow */
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int shadow_x;
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int shadow_y;
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/* Set to TRUE when GTK tells us that shadow are 0 everywhere.
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* We don't actually set shadow to 0, we just set this bit.
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*/
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guint zero_shadow : 1;
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guint inhibit_configure : 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_surface_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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/* 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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int dib_width;
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int dib_height;
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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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/* Enable all decorations? */
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gboolean decorate_all;
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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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int surface_scale;
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GdkToplevelLayout *toplevel_layout;
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struct {
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int configured_width;
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int configured_height;
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RECT configured_rect;
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} next_layout;
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gboolean force_recompute_size;
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#ifdef HAVE_EGL
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guint egl_force_redraw_all : 1;
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#endif
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};
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struct _GdkWin32SurfaceClass
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{
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GdkSurfaceClass parent_class;
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};
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GType _gdk_win32_surface_get_type (void);
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void _gdk_win32_surface_update_style_bits (GdkSurface *window);
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int _gdk_win32_surface_get_scale_factor (GdkSurface *window);
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void _gdk_win32_get_window_client_area_rect (GdkSurface *window,
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int scale,
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RECT *rect);
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void gdk_win32_surface_move (GdkSurface *surface,
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int x,
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int y);
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void gdk_win32_surface_move_resize (GdkSurface *window,
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int x,
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int y,
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int width,
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int height);
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RECT
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gdk_win32_surface_handle_queued_move_resize (GdkDrawContext *draw_context);
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#ifdef HAVE_EGL
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EGLSurface gdk_win32_surface_get_egl_surface (GdkSurface *surface,
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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_SURFACE_WIN32_H__ */
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