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CSW Win32 work in progress - builds but does not work yet.

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This commit is contained in:
Cody Russell
2009-02-14 13:23:54 -05:00
committed by Alexander Larsson
parent 97996ff00c
commit a93c6cd6e1
14 changed files with 633 additions and 1166 deletions
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603
gdk/win32/gdkgeometry-win32.c
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@ -42,197 +42,13 @@
#include "gdk.h" /* For gdk_rectangle_intersect */
#include "gdkregion.h"
#include "gdkregion-generic.h"
#include "gdkinternals.h"
#include "gdkprivate-win32.h"
#define SIZE_LIMIT 32767
typedef struct _GdkWindowParentPos GdkWindowParentPos;
struct _GdkWindowParentPos
{
gint x;
gint y;
gint win32_x;
gint win32_y;
GdkRectangle clip_rect;
};
static void gdk_window_compute_position (GdkWindowImplWin32 *window,
GdkWindowParentPos *parent_pos,
GdkWin32PositionInfo *info);
static void gdk_window_compute_parent_pos (GdkWindowImplWin32 *window,
GdkWindowParentPos *parent_pos);
static void gdk_window_postmove (GdkWindow *window,
GdkWindowParentPos *parent_pos,
gboolean anti_scroll);
static void gdk_window_tmp_unset_bg (GdkWindow *window);
static void gdk_window_tmp_reset_bg (GdkWindow *window);
static GdkRegion *gdk_window_clip_changed (GdkWindow *window,
GdkRectangle *old_clip,
GdkRectangle *new_clip);
static void gdk_window_post_scroll (GdkWindow *window,
GdkRegion *new_clip_region);
void
_gdk_win32_windowing_window_get_offsets (GdkWindow *window,
gint *x_offset,
gint *y_offset)
{
GdkWindowImplWin32 *impl =
GDK_WINDOW_IMPL_WIN32 (GDK_WINDOW_OBJECT (window)->impl);
*x_offset = impl->position_info.x_offset;
*y_offset = impl->position_info.y_offset;
}
void
_gdk_window_init_position (GdkWindow *window)
{
GdkWindowParentPos parent_pos;
GdkWindowImplWin32 *impl;
g_return_if_fail (GDK_IS_WINDOW (window));
impl = GDK_WINDOW_IMPL_WIN32 (GDK_WINDOW_OBJECT (window)->impl);
gdk_window_compute_parent_pos (impl, &parent_pos);
gdk_window_compute_position (impl, &parent_pos, &impl->position_info);
}
void
_gdk_win32_window_scroll (GdkWindow *window,
gint dx,
gint dy)
{
GdkRegion *invalidate_region;
GdkWindowImplWin32 *impl;
GdkWindowObject *obj;
GList *tmp_list;
GdkWindowParentPos parent_pos;
HRGN native_invalidate_region;
GDK_NOTE (EVENTS, g_print ("gdk_window_scroll: %p %d,%d\n",
GDK_WINDOW_HWND (window), dx, dy));
obj = GDK_WINDOW_OBJECT (window);
impl = GDK_WINDOW_IMPL_WIN32 (obj->impl);
/* Move the current invalid region */
if (obj->update_area)
gdk_region_offset (obj->update_area, dx, dy);
gdk_window_compute_parent_pos (impl, &parent_pos);
parent_pos.x += obj->x;
parent_pos.y += obj->y;
parent_pos.win32_x += impl->position_info.x;
parent_pos.win32_y += impl->position_info.y;
parent_pos.clip_rect = impl->position_info.clip_rect;
gdk_window_tmp_unset_bg (window);
native_invalidate_region = CreateRectRgn (0, 0, 0, 0);
if (native_invalidate_region == NULL)
WIN32_API_FAILED ("CreateRectRgn");
API_CALL (ScrollWindowEx, (GDK_WINDOW_HWND (window),
dx, dy, NULL, NULL,
native_invalidate_region, NULL, SW_SCROLLCHILDREN));
if (impl->position_info.no_bg)
gdk_window_tmp_reset_bg (window);
tmp_list = obj->children;
while (tmp_list)
{
GDK_WINDOW_OBJECT(tmp_list->data)->x += dx;
GDK_WINDOW_OBJECT(tmp_list->data)->y += dy;
gdk_window_postmove (tmp_list->data, &parent_pos, FALSE);
tmp_list = tmp_list->next;
}
if (native_invalidate_region != NULL)
{
invalidate_region = _gdk_win32_hrgn_to_region (native_invalidate_region);
gdk_region_offset (invalidate_region, impl->position_info.x_offset,
impl->position_info.y_offset);
gdk_window_invalidate_region (window, invalidate_region, TRUE);
gdk_region_destroy (invalidate_region);
GDI_CALL (DeleteObject, (native_invalidate_region));
}
}
void
_gdk_win32_window_move_region (GdkWindow *window,
const GdkRegion *region,
gint dx,
gint dy)
{
GdkRegion *invalidate_region;
GdkWindowImplWin32 *impl;
GdkWindowObject *obj;
GdkRectangle src_rect, dest_rect;
HRGN hrgn;
RECT clipRect, destRect;
obj = GDK_WINDOW_OBJECT (window);
impl = GDK_WINDOW_IMPL_WIN32 (obj->impl);
/* Move the current invalid region */
if (obj->update_area)
gdk_region_offset (obj->update_area, dx, dy);
/* impl->position_info.clip_rect isn't meaningful for toplevels */
if (GDK_WINDOW_TYPE (window) == GDK_WINDOW_CHILD)
src_rect = impl->position_info.clip_rect;
else
{
src_rect.x = 0;
src_rect.y = 0;
src_rect.width = impl->width;
src_rect.height = impl->height;
}
invalidate_region = gdk_region_rectangle (&src_rect);
dest_rect = src_rect;
dest_rect.x += dx;
dest_rect.y += dy;
gdk_rectangle_intersect (&dest_rect, &src_rect, &dest_rect);
if (dest_rect.width > 0 && dest_rect.height > 0)
{
GdkRegion *tmp_region;
tmp_region = gdk_region_rectangle (&dest_rect);
gdk_region_subtract (invalidate_region, tmp_region);
gdk_region_destroy (tmp_region);
}
/* no guffaw scroll on win32 */
hrgn = _gdk_win32_gdkregion_to_hrgn(invalidate_region, 0, 0);
gdk_region_destroy (invalidate_region);
destRect.left = dest_rect.y;
destRect.top = dest_rect.x;
destRect.right = dest_rect.x + dest_rect.width;
destRect.bottom = dest_rect.y + dest_rect.height;
clipRect.left = src_rect.y;
clipRect.top = src_rect.x;
clipRect.right = src_rect.x + src_rect.width;
clipRect.bottom = src_rect.y + src_rect.height;
g_print ("ScrollWindowEx(%d, %d, ...) - if you see this work, remove trace;)\n", dx, dy);
API_CALL(ScrollWindowEx, (GDK_WINDOW_HWND (window),
dx, dy, /* in: scroll offsets */
NULL, /* in: scroll rect, NULL == entire client area */
&clipRect, /* in: restrict to */
hrgn, /* in: update region */
NULL, /* out: update rect */
SW_INVALIDATE));
API_CALL(DeleteObject, (hrgn));
}
void
_gdk_window_move_resize_child (GdkWindow *window,
gint x,
@ -242,405 +58,56 @@ _gdk_window_move_resize_child (GdkWindow *window,
{
GdkWindowImplWin32 *impl;
GdkWindowObject *obj;
GdkWin32PositionInfo new_info;
GdkWindowParentPos parent_pos;
GList *tmp_list;
gint d_xoffset, d_yoffset;
gint dx, dy;
gboolean is_move;
gboolean is_resize;
GdkRegion *new_clip_region;
g_return_if_fail (window != NULL);
g_return_if_fail (GDK_IS_WINDOW (window));
obj = GDK_WINDOW_OBJECT (window);
impl = GDK_WINDOW_IMPL_WIN32 (obj->impl);
is_move = (x - obj->x != 0) && (y - obj->y != 0);
is_resize = obj->width != width && obj->height != height;
GDK_NOTE (MISC, g_print ("_gdk_window_move_resize_child: %s@%+d%+d %dx%d@%+d%+d\n",
_gdk_win32_drawable_description (window),
obj->x, obj->y,
width, height, x, y));
_gdk_win32_drawable_description (window),
obj->x, obj->y, width, height, x, y));
dx = x - obj->x;
dy = y - obj->y;
if (width > 65535 || height > 65535)
{
g_warning ("Native children wider or taller than 65535 pixels are not supported.");
is_move = dx != 0 || dy != 0;
is_resize = impl->width != width || impl->height != height;
if (!is_move && !is_resize)
{
GDK_NOTE (MISC, g_print ("... neither move or resize\n"));
return;
}
GDK_NOTE (MISC, g_print ("... %s%s\n",
is_move ? "is_move " : "",
is_resize ? "is_resize" : ""));
if (width > 65535)
width = 65535;
if (height > 65535)
height = 65535;
}
obj->x = x;
obj->y = y;
impl->width = width;
impl->height = height;
gdk_window_compute_parent_pos (impl, &parent_pos);
gdk_window_compute_position (impl, &parent_pos, &new_info);
new_clip_region =
gdk_window_clip_changed (window, &impl->position_info.clip_rect, &new_info.clip_rect);
parent_pos.x += obj->x;
parent_pos.y += obj->y;
parent_pos.win32_x += new_info.x;
parent_pos.win32_y += new_info.y;
parent_pos.clip_rect = new_info.clip_rect;
d_xoffset = new_info.x_offset - impl->position_info.x_offset;
d_yoffset = new_info.y_offset - impl->position_info.y_offset;
obj->width = width;
obj->height = height;
if (d_xoffset != 0 || d_yoffset != 0)
{
GDK_NOTE (MISC, g_print ("... d_offset=%+d%+d\n", d_xoffset, d_yoffset));
GDK_NOTE (MISC, g_print ("... SetWindowPos(%p,NULL,%d,%d,%d,%d,"
"NOACTIVATE|NOZORDER%s%s)\n",
GDK_WINDOW_HWND (window),
obj->x + obj->parent->abs_x, obj->y + obj->parent->abs_y,
width, height,
(is_move ? "" : "|NOMOVE"),
(is_resize ? "" : "|NOSIZE")));
if (!ScrollWindowEx (GDK_WINDOW_HWND (window),
-d_xoffset, -d_yoffset, /* in: scroll offsets */
NULL, /* in: scroll rect, NULL == entire client area */
NULL, /* in: restrict to */
NULL, /* in: update region */
NULL, /* out: update rect */
SW_SCROLLCHILDREN))
WIN32_API_FAILED ("ScrollWindowEx");
if (dx != d_xoffset || dy != d_yoffset || is_resize)
{
GDK_NOTE (MISC, g_print ("... SetWindowPos(%p,NULL,%d,%d,%d,%d,"
"NOACTIVATE|NOZORDER%s%s)\n",
GDK_WINDOW_HWND (window),
new_info.x, new_info.y,
new_info.width, new_info.height,
(is_move ? "" : "|NOMOVE"),
(is_resize ? "" : "|NOSIZE")));
API_CALL (SetWindowPos, (GDK_WINDOW_HWND (window), NULL,
new_info.x, new_info.y,
new_info.width, new_info.height,
SWP_NOACTIVATE | SWP_NOZORDER |
(is_move ? 0 : SWP_NOMOVE) |
(is_resize ? 0 : SWP_NOSIZE)));
}
if (impl->position_info.no_bg)
gdk_window_tmp_reset_bg (window);
if (!impl->position_info.mapped && new_info.mapped && GDK_WINDOW_IS_MAPPED (obj))
{
GDK_NOTE (MISC, g_print ("... ShowWindow(%p, SW_SHOWNA)\n",
GDK_WINDOW_HWND (window)));
ShowWindow (GDK_WINDOW_HWND (window), SW_SHOWNA);
}
impl->position_info = new_info;
tmp_list = obj->children;
while (tmp_list)
{
gdk_window_postmove (tmp_list->data, &parent_pos, FALSE);
tmp_list = tmp_list->next;
}
}
else
{
if (impl->position_info.mapped && !new_info.mapped)
{
GDK_NOTE (MISC, g_print ("... ShowWindow(%p, SW_HIDE)\n",
GDK_WINDOW_HWND (window)));
ShowWindow (GDK_WINDOW_HWND (window), SW_HIDE);
}
GDK_NOTE (MISC, g_print ("... SetWindowPos(%p,NULL,%d,%d,%d,%d,"
"NOACTIVATE|NOZORDER%s%s)\n",
GDK_WINDOW_HWND (window),
new_info.x, new_info.y,
new_info.width, new_info.height,
(is_move ? "" : "|NOMOVE"),
(is_resize ? "" : "|NOSIZE")));
API_CALL (SetWindowPos, (GDK_WINDOW_HWND (window), NULL,
new_info.x, new_info.y,
new_info.width, new_info.height,
SWP_NOACTIVATE | SWP_NOZORDER |
(is_move ? 0 : SWP_NOMOVE) |
(is_resize ? 0 : SWP_NOSIZE)));
tmp_list = obj->children;
while (tmp_list)
{
gdk_window_postmove (tmp_list->data, &parent_pos, FALSE);
tmp_list = tmp_list->next;
}
if (impl->position_info.no_bg)
gdk_window_tmp_reset_bg (window);
if (!impl->position_info.mapped && new_info.mapped && GDK_WINDOW_IS_MAPPED (obj))
{
GDK_NOTE (MISC, g_print ("... ShowWindow(%p, SW_SHOWNA)\n",
GDK_WINDOW_HWND (window)));
ShowWindow (GDK_WINDOW_HWND (window), SW_SHOWNA);
}
impl->position_info = new_info;
}
if (new_clip_region)
gdk_window_post_scroll (window, new_clip_region);
}
static void
gdk_window_compute_position (GdkWindowImplWin32 *window,
GdkWindowParentPos *parent_pos,
GdkWin32PositionInfo *info)
{
GdkWindowObject *wrapper;
int parent_x_offset;
int parent_y_offset;
g_return_if_fail (GDK_IS_WINDOW_IMPL_WIN32 (window));
wrapper = GDK_WINDOW_OBJECT (GDK_DRAWABLE_IMPL_WIN32 (window)->wrapper);
info->big = FALSE;
if (window->width <= SIZE_LIMIT)
{
info->width = window->width;
info->x = parent_pos->x + wrapper->x - parent_pos->win32_x;
}
else
{
info->big = TRUE;
info->width = SIZE_LIMIT;
if (parent_pos->x + wrapper->x < -(SIZE_LIMIT/2))
{
if (parent_pos->x + wrapper->x + window->width < (SIZE_LIMIT/2))
info->x = parent_pos->x + wrapper->x + window->width - info->width - parent_pos->win32_x;
else
info->x = -(SIZE_LIMIT/2) - parent_pos->win32_x;
}
else
info->x = parent_pos->x + wrapper->x - parent_pos->win32_x;
}
if (window->height <= SIZE_LIMIT)
{
info->height = window->height;
info->y = parent_pos->y + wrapper->y - parent_pos->win32_y;
}
else
{
info->big = TRUE;
info->height = SIZE_LIMIT;
if (parent_pos->y + wrapper->y < -(SIZE_LIMIT/2))
{
if (parent_pos->y + wrapper->y + window->height < (SIZE_LIMIT/2))
info->y = parent_pos->y + wrapper->y + window->height - info->height - parent_pos->win32_y;
else
info->y = -(SIZE_LIMIT/2) - parent_pos->win32_y;
}
else
info->y = parent_pos->y + wrapper->y - parent_pos->win32_y;
}
parent_x_offset = parent_pos->win32_x - parent_pos->x;
parent_y_offset = parent_pos->win32_y - parent_pos->y;
info->x_offset = parent_x_offset + info->x - wrapper->x;
info->y_offset = parent_y_offset + info->y - wrapper->y;
/* We don't considering the clipping of toplevel windows and their immediate children
* by their parents, and simply always map those windows.
*/
if (parent_pos->clip_rect.width == G_MAXINT)
info->mapped = TRUE;
/* Check if the window would wrap around into the visible space in either direction */
else if (info->x + parent_x_offset < parent_pos->clip_rect.x + parent_pos->clip_rect.width - 65536 ||
info->x + info->width + parent_x_offset > parent_pos->clip_rect.x + 65536 ||
info->y + parent_y_offset < parent_pos->clip_rect.y + parent_pos->clip_rect.height - 65536 ||
info->y + info->height + parent_y_offset > parent_pos->clip_rect.y + 65536)
info->mapped = FALSE;
else
info->mapped = TRUE;
info->no_bg = FALSE;
if (GDK_WINDOW_TYPE (wrapper) == GDK_WINDOW_CHILD)
{
info->clip_rect.x = wrapper->x;
info->clip_rect.y = wrapper->y;
info->clip_rect.width = window->width;
info->clip_rect.height = window->height;
gdk_rectangle_intersect (&info->clip_rect, &parent_pos->clip_rect, &info->clip_rect);
info->clip_rect.x -= wrapper->x;
info->clip_rect.y -= wrapper->y;
}
else
{
info->clip_rect.x = 0;
info->clip_rect.y = 0;
info->clip_rect.width = G_MAXINT;
info->clip_rect.height = G_MAXINT;
}
}
static void
gdk_window_compute_parent_pos (GdkWindowImplWin32 *window,
GdkWindowParentPos *parent_pos)
{
GdkWindowObject *wrapper;
GdkWindowObject *parent;
GdkRectangle tmp_clip;
int clip_xoffset = 0;
int clip_yoffset = 0;
g_return_if_fail (GDK_IS_WINDOW_IMPL_WIN32 (window));
wrapper = GDK_WINDOW_OBJECT (GDK_DRAWABLE_IMPL_WIN32 (window)->wrapper);
parent_pos->x = 0;
parent_pos->y = 0;
parent_pos->win32_x = 0;
parent_pos->win32_y = 0;
/* We take a simple approach here and simply consider toplevel
* windows not to clip their children on the right/bottom, since the
* size of toplevel windows is not directly under our
* control. Clipping only really matters when scrolling and
* generally we aren't going to be moving the immediate child of a
* toplevel beyond the bounds of that toplevel.
*
* We could go ahead and recompute the clips of toplevel windows and
* their descendents when we receive size notification, but it would
* probably not be an improvement in most cases.
*/
parent_pos->clip_rect.x = 0;
parent_pos->clip_rect.y = 0;
parent_pos->clip_rect.width = G_MAXINT;
parent_pos->clip_rect.height = G_MAXINT;
parent = (GdkWindowObject *)wrapper->parent;
while (parent && parent->window_type == GDK_WINDOW_CHILD)
{
GdkWindowImplWin32 *impl = GDK_WINDOW_IMPL_WIN32 (parent->impl);
tmp_clip.x = - clip_xoffset;
tmp_clip.y = - clip_yoffset;
tmp_clip.width = impl->width;
tmp_clip.height = impl->height;
gdk_rectangle_intersect (&parent_pos->clip_rect, &tmp_clip, &parent_pos->clip_rect);
parent_pos->x += parent->x;
parent_pos->y += parent->y;
parent_pos->win32_x += impl->position_info.x;
parent_pos->win32_y += impl->position_info.y;
clip_xoffset += parent->x;
clip_yoffset += parent->y;
parent = (GdkWindowObject *)parent->parent;
}
}
static void
gdk_window_postmove (GdkWindow *window,
GdkWindowParentPos *parent_pos,
gboolean anti_scroll)
{
GdkWindowImplWin32 *impl;
GdkWindowObject *obj;
GdkWin32PositionInfo new_info;
GList *tmp_list;
gint d_xoffset, d_yoffset;
GdkWindowParentPos this_pos;
GdkRegion *new_clip_region;
obj = (GdkWindowObject *) window;
impl = GDK_WINDOW_IMPL_WIN32 (obj->impl);
gdk_window_compute_position (impl, parent_pos, &new_info);
new_clip_region =
gdk_window_clip_changed (window, &impl->position_info.clip_rect, &new_info.clip_rect);
this_pos.x = parent_pos->x + obj->x;
this_pos.y = parent_pos->y + obj->y;
this_pos.win32_x = parent_pos->win32_x + new_info.x;
this_pos.win32_y = parent_pos->win32_y + new_info.y;
this_pos.clip_rect = new_info.clip_rect;
if (impl->position_info.mapped && !new_info.mapped)
ShowWindow (GDK_WINDOW_HWND (window), SW_HIDE);
d_xoffset = new_info.x_offset - impl->position_info.x_offset;
d_yoffset = new_info.y_offset - impl->position_info.y_offset;
if (anti_scroll || (anti_scroll = d_xoffset != 0 || d_yoffset != 0))
{
GDK_NOTE (MISC, g_print ("gdk_window_postmove: %s@%+d%+d\n"
"... SetWindowPos(%p,NULL,%d,%d,0,0,"
"NOREDRAW|NOZORDER|NOACTIVATE|NOSIZE)\n",
_gdk_win32_drawable_description (window),
obj->x, obj->y,
GDK_WINDOW_HWND (window),
new_info.x, new_info.y));
API_CALL (SetWindowPos, (GDK_WINDOW_HWND (window), NULL,
new_info.x, new_info.y,
0, 0,
SWP_NOREDRAW | SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOSIZE));
}
if (!impl->position_info.mapped && new_info.mapped && GDK_WINDOW_IS_MAPPED (obj))
ShowWindow (GDK_WINDOW_HWND (window), SW_SHOWNA);
if (impl->position_info.no_bg)
gdk_window_tmp_reset_bg (window);
impl->position_info = new_info;
if (new_clip_region)
gdk_window_post_scroll (window, new_clip_region);
tmp_list = obj->children;
while (tmp_list)
{
gdk_window_postmove (tmp_list->data, &this_pos, anti_scroll);
tmp_list = tmp_list->next;
}
}
gboolean
_gdk_windowing_window_queue_antiexpose (GdkWindow *window,
GdkRegion *area)
{
HRGN hrgn = _gdk_win32_gdkregion_to_hrgn (area, 0, 0);
GDK_NOTE (EVENTS, g_print ("_gdk_windowing_window_queue_antiexpose: ValidateRgn %p %s\n",
GDK_WINDOW_HWND (window),
_gdk_win32_gdkregion_to_string (area)));
ValidateRgn (GDK_WINDOW_HWND (window), hrgn);
DeleteObject (hrgn);
return FALSE;
API_CALL (SetWindowPos, (GDK_WINDOW_HWND (window), NULL,
obj->x + obj->parent->abs_x, obj->y + obj->parent->abs_y,
width, height,
SWP_NOACTIVATE | SWP_NOZORDER |
(is_move ? 0 : SWP_NOMOVE) |
(is_resize ? 0 : SWP_NOSIZE)));
}
void
_gdk_window_process_expose (GdkWindow *window,
GdkRegion *invalidate_region)
GdkRegion *invalidate_region)
{
GdkWindowImplWin32 *impl;
GdkRegion *clip_region;
@ -649,11 +116,9 @@ _gdk_window_process_expose (GdkWindow *window,
GDK_NOTE (EVENTS, g_print ("_gdk_window_process_expose: %p %s\n",
GDK_WINDOW_HWND (window),
_gdk_win32_gdkregion_to_string (invalidate_region)));
clip_region = gdk_region_rectangle (&impl->position_info.clip_rect);
gdk_region_intersect (invalidate_region, clip_region);
if (!gdk_region_empty (invalidate_region))
gdk_window_invalidate_region (window, invalidate_region, FALSE);
_gdk_window_invalidate_for_expose (window, invalidate_region);
gdk_region_destroy (clip_region);
}
@ -667,7 +132,7 @@ gdk_window_tmp_unset_bg (GdkWindow *window)
obj = (GdkWindowObject *) window;
impl = GDK_WINDOW_IMPL_WIN32 (obj->impl);
impl->position_info.no_bg = TRUE;
impl->no_bg = TRUE;
/*
* The X version sets background = None to avoid updateing for a moment.
@ -686,7 +151,7 @@ gdk_window_tmp_reset_bg (GdkWindow *window)
obj = (GdkWindowObject *) window;
impl = GDK_WINDOW_IMPL_WIN32 (obj->impl);
impl->position_info.no_bg = FALSE;
impl->no_bg = FALSE;
}
static GdkRegion *