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demos/gtk-demo/offscreen_window.c: Use accessor functions to access GtkWidget

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This commit is contained in:
Javier Jardón 2010-08-16 00:37:17 +02:00
parent 8c4783da05
commit 4011b70928
1 changed files with 36 additions and 25 deletions
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61
demos/gtk-demo/offscreen_window.c
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@ -74,7 +74,7 @@ to_child (GtkRotatedBin *bin,
s = sin (bin->angle); s = sin (bin->angle);
c = cos (bin->angle); c = cos (bin->angle);
child_area = bin->child->allocation; gtk_widget_get_allocation (bin->child, &child_area);
w = c * child_area.width + s * child_area.height; w = c * child_area.width + s * child_area.height;
h = s * child_area.width + c * child_area.height; h = s * child_area.width + c * child_area.height;
@ -114,7 +114,7 @@ to_parent (GtkRotatedBin *bin,
s = sin (bin->angle); s = sin (bin->angle);
c = cos (bin->angle); c = cos (bin->angle);
child_area = bin->child->allocation; gtk_widget_get_allocation (bin->child, &child_area);
w = c * child_area.width + s * child_area.height; w = c * child_area.width + s * child_area.height;
h = s * child_area.width + c * child_area.height; h = s * child_area.width + c * child_area.height;
@ -188,7 +188,7 @@ pick_offscreen_child (GdkWindow *offscreen_window,
{ {
to_child (bin, widget_x, widget_y, &x, &y); to_child (bin, widget_x, widget_y, &x, &y);
child_area = bin->child->allocation; gtk_widget_get_allocation (bin->child, &child_area);
if (x >= 0 && x < child_area.width && if (x >= 0 && x < child_area.width &&
y >= 0 && y < child_area.height) y >= 0 && y < child_area.height)
@ -224,6 +224,9 @@ static void
gtk_rotated_bin_realize (GtkWidget *widget) gtk_rotated_bin_realize (GtkWidget *widget)
{ {
GtkRotatedBin *bin = GTK_ROTATED_BIN (widget); GtkRotatedBin *bin = GTK_ROTATED_BIN (widget);
GtkAllocation allocation;
GtkStyle *style;
GdkWindow *window;
GdkWindowAttr attributes; GdkWindowAttr attributes;
gint attributes_mask; gint attributes_mask;
guint border_width; guint border_width;
@ -231,12 +234,13 @@ gtk_rotated_bin_realize (GtkWidget *widget)
gtk_widget_set_realized (widget, TRUE); gtk_widget_set_realized (widget, TRUE);
gtk_widget_get_allocation (widget, &allocation);
border_width = gtk_container_get_border_width (GTK_CONTAINER (widget)); border_width = gtk_container_get_border_width (GTK_CONTAINER (widget));
attributes.x = widget->allocation.x + border_width; attributes.x = allocation.x + border_width;
attributes.y = widget->allocation.y + border_width; attributes.y = allocation.y + border_width;
attributes.width = widget->allocation.width - 2 * border_width; attributes.width = allocation.width - 2 * border_width;
attributes.height = widget->allocation.height - 2 * border_width; attributes.height = allocation.height - 2 * border_width;
attributes.window_type = GDK_WINDOW_CHILD; attributes.window_type = GDK_WINDOW_CHILD;
attributes.event_mask = gtk_widget_get_events (widget) attributes.event_mask = gtk_widget_get_events (widget)
| GDK_EXPOSURE_MASK | GDK_EXPOSURE_MASK
@ -253,10 +257,11 @@ gtk_rotated_bin_realize (GtkWidget *widget)
attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP; attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), window = gdk_window_new (gtk_widget_get_parent_window (widget),
&attributes, attributes_mask); &attributes, attributes_mask);
gdk_window_set_user_data (widget->window, widget); gtk_widget_set_window (widget, window);
g_signal_connect (widget->window, "pick-embedded-child", gdk_window_set_user_data (window, widget);
g_signal_connect (window, "pick-embedded-child",
G_CALLBACK (pick_offscreen_child), bin); G_CALLBACK (pick_offscreen_child), bin);
attributes.window_type = GDK_WINDOW_OFFSCREEN; attributes.window_type = GDK_WINDOW_OFFSCREEN;
@ -264,24 +269,27 @@ gtk_rotated_bin_realize (GtkWidget *widget)
child_requisition.width = child_requisition.height = 0; child_requisition.width = child_requisition.height = 0;
if (bin->child && gtk_widget_get_visible (bin->child)) if (bin->child && gtk_widget_get_visible (bin->child))
{ {
attributes.width = bin->child->allocation.width; GtkAllocation child_allocation;
attributes.height = bin->child->allocation.height;
gtk_widget_get_allocation (bin->child, &child_allocation);
attributes.width = child_allocation.width;
attributes.height = child_allocation.height;
} }
bin->offscreen_window = gdk_window_new (gtk_widget_get_root_window (widget), bin->offscreen_window = gdk_window_new (gtk_widget_get_root_window (widget),
&attributes, attributes_mask); &attributes, attributes_mask);
gdk_window_set_user_data (bin->offscreen_window, widget); gdk_window_set_user_data (bin->offscreen_window, widget);
if (bin->child) if (bin->child)
gtk_widget_set_parent_window (bin->child, bin->offscreen_window); gtk_widget_set_parent_window (bin->child, bin->offscreen_window);
gdk_offscreen_window_set_embedder (bin->offscreen_window, widget->window); gdk_offscreen_window_set_embedder (bin->offscreen_window, window);
g_signal_connect (bin->offscreen_window, "to-embedder", g_signal_connect (bin->offscreen_window, "to-embedder",
G_CALLBACK (offscreen_window_to_parent), bin); G_CALLBACK (offscreen_window_to_parent), bin);
g_signal_connect (bin->offscreen_window, "from-embedder", g_signal_connect (bin->offscreen_window, "from-embedder",
G_CALLBACK (offscreen_window_from_parent), bin); G_CALLBACK (offscreen_window_from_parent), bin);
widget->style = gtk_style_attach (widget->style, widget->window); gtk_widget_style_attach (widget);
style = gtk_widget_get_style (widget);
gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL); gtk_style_set_background (style, window, GTK_STATE_NORMAL);
gtk_style_set_background (widget->style, bin->offscreen_window, GTK_STATE_NORMAL); gtk_style_set_background (style, bin->offscreen_window, GTK_STATE_NORMAL);
gdk_window_show (bin->offscreen_window); gdk_window_show (bin->offscreen_window);
} }
@ -405,7 +413,7 @@ gtk_rotated_bin_size_allocate (GtkWidget *widget,
gint w, h; gint w, h;
gdouble s, c; gdouble s, c;
widget->allocation = *allocation; gtk_widget_set_allocation (widget, allocation);
border_width = gtk_container_get_border_width (GTK_CONTAINER (widget)); border_width = gtk_container_get_border_width (GTK_CONTAINER (widget));
@ -413,7 +421,7 @@ gtk_rotated_bin_size_allocate (GtkWidget *widget,
h = allocation->height - border_width * 2; h = allocation->height - border_width * 2;
if (gtk_widget_get_realized (widget)) if (gtk_widget_get_realized (widget))
gdk_window_move_resize (widget->window, gdk_window_move_resize (gtk_widget_get_window (widget),
allocation->x + border_width, allocation->x + border_width,
allocation->y + border_width, allocation->y + border_width,
w, h); w, h);
@ -454,7 +462,8 @@ static gboolean
gtk_rotated_bin_damage (GtkWidget *widget, gtk_rotated_bin_damage (GtkWidget *widget,
GdkEventExpose *event) GdkEventExpose *event)
{ {
gdk_window_invalidate_rect (widget->window, NULL, FALSE); gdk_window_invalidate_rect (gtk_widget_get_window (widget),
NULL, FALSE);
return TRUE; return TRUE;
} }
@ -464,13 +473,15 @@ gtk_rotated_bin_expose (GtkWidget *widget,
GdkEventExpose *event) GdkEventExpose *event)
{ {
GtkRotatedBin *bin = GTK_ROTATED_BIN (widget); GtkRotatedBin *bin = GTK_ROTATED_BIN (widget);
GdkWindow *window;
gint width, height; gint width, height;
gdouble s, c; gdouble s, c;
gdouble w, h; gdouble w, h;
if (gtk_widget_is_drawable (widget)) if (gtk_widget_is_drawable (widget))
{ {
if (event->window == widget->window) window = gtk_widget_get_window (widget);
if (event->window == window)
{ {
GdkPixmap *pixmap; GdkPixmap *pixmap;
GtkAllocation child_area; GtkAllocation child_area;
@ -479,9 +490,9 @@ gtk_rotated_bin_expose (GtkWidget *widget,
if (bin->child && gtk_widget_get_visible (bin->child)) if (bin->child && gtk_widget_get_visible (bin->child))
{ {
pixmap = gdk_offscreen_window_get_pixmap (bin->offscreen_window); pixmap = gdk_offscreen_window_get_pixmap (bin->offscreen_window);
child_area = bin->child->allocation; gtk_widget_get_allocation (bin->child, &child_area);
cr = gdk_cairo_create (widget->window); cr = gdk_cairo_create (window);
/* transform */ /* transform */
s = sin (bin->angle); s = sin (bin->angle);
@ -507,7 +518,7 @@ gtk_rotated_bin_expose (GtkWidget *widget,
} }
else if (event->window == bin->offscreen_window) else if (event->window == bin->offscreen_window)
{ {
gtk_paint_flat_box (widget->style, event->window, gtk_paint_flat_box (gtk_widget_get_style (widget), event->window,
GTK_STATE_NORMAL, GTK_SHADOW_NONE, GTK_STATE_NORMAL, GTK_SHADOW_NONE,
&event->area, widget, "blah", &event->area, widget, "blah",
0, 0, -1, -1); 0, 0, -1, -1);