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Prepare for the demise of size_request

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The size_request vfunc is going to be dropped in GTK3; replace
the usage in MetaAccelLabel and MetaPreview with
get_preferred_width/get_preferred_height vfuncs.

https://bugzilla.gnome.org/show_bug.cgi?id=633352
This commit is contained in:
Matthias Clasen 2010-11-03 19:06:08 -04:00 committed by Owen W. Taylor
parent 1114e5effa
commit 02e709e89e
2 changed files with 79 additions and 39 deletions
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27
src/ui/metaaccellabel.c
View File

@ -39,8 +39,12 @@
static void meta_accel_label_destroy (GtkWidget *object);
static void meta_accel_label_finalize (GObject *object);
static void meta_accel_label_size_request (GtkWidget *widget,
GtkRequisition *requisition);
static void meta_accel_label_get_preferred_width (GtkWidget *widget,
gint *minimum,
gint *natural);
static void meta_accel_label_get_preferred_height (GtkWidget *widget,
gint *minimum,
gint *natural);
static gboolean meta_accel_label_draw (GtkWidget *widget,
cairo_t *cr);
@ -59,7 +63,8 @@ meta_accel_label_class_init (MetaAccelLabelClass *class)
widget_class->destroy = meta_accel_label_destroy;
widget_class->size_request = meta_accel_label_size_request;
widget_class->get_preferred_width = meta_accel_label_get_preferred_width;
widget_class->get_preferred_height = meta_accel_label_get_preferred_height;
widget_class->draw = meta_accel_label_draw;
class->signal_quote1 = g_strdup ("<:");
@ -205,15 +210,15 @@ meta_accel_label_get_accel_width (MetaAccelLabel *accel_label)
}
static void
meta_accel_label_size_request (GtkWidget *widget,
GtkRequisition *requisition)
meta_accel_label_get_preferred_width (GtkWidget *widget,
gint *minimum,
gint *natural)
{
MetaAccelLabel *accel_label = META_ACCEL_LABEL (widget);
PangoLayout *layout;
gint width;
if (GTK_WIDGET_CLASS (meta_accel_label_parent_class)->size_request)
GTK_WIDGET_CLASS (meta_accel_label_parent_class)->size_request (widget, requisition);
GTK_WIDGET_CLASS (meta_accel_label_parent_class)->get_preferred_width (widget, minimum, natural);
layout = gtk_widget_create_pango_layout (widget, accel_label->accel_string);
pango_layout_get_pixel_size (layout, &width, NULL);
@ -222,6 +227,14 @@ meta_accel_label_size_request (GtkWidget *widget,
g_object_unref (G_OBJECT (layout));
}
static void
meta_accel_label_get_preferred_height (GtkWidget *widget,
gint *minimum,
gint *natural)
{
GTK_WIDGET_CLASS (meta_accel_label_parent_class)->get_preferred_height (widget, minimum, natural);
}
/* Mostly taken from GTK3. */
static gboolean
meta_accel_label_draw (GtkWidget *widget,

91
src/ui/preview-widget.c
View File

@ -28,8 +28,12 @@
#include <gtk/gtk.h>
#include "preview-widget.h"
static void meta_preview_size_request (GtkWidget *widget,
GtkRequisition *req);
static void meta_preview_get_preferred_width (GtkWidget *widget,
gint *minimum,
gint *natural);
static void meta_preview_get_preferred_height (GtkWidget *widget,
gint *minimum,
gint *natural);
static void meta_preview_size_allocate (GtkWidget *widget,
GtkAllocation *allocation);
static gboolean meta_preview_draw (GtkWidget *widget,
@ -49,8 +53,11 @@ meta_preview_class_init (MetaPreviewClass *class)
gobject_class->finalize = meta_preview_finalize;
widget_class->draw = meta_preview_draw;
widget_class->size_request = meta_preview_size_request;
widget_class->get_preferred_width = meta_preview_get_preferred_width;
widget_class->get_preferred_height = meta_preview_get_preferred_height;
widget_class->size_allocate = meta_preview_size_allocate;
gtk_container_class_handle_border_width (GTK_CONTAINER_CLASS (class));
}
static void
@ -194,7 +201,6 @@ meta_preview_draw (GtkWidget *widget,
if (preview->theme)
{
int border_width;
int client_width;
int client_height;
MetaButtonState button_states[META_BUTTON_TYPE_LAST] =
@ -208,11 +214,8 @@ meta_preview_draw (GtkWidget *widget,
ensure_info (preview);
cairo_save (cr);
border_width = gtk_container_get_border_width (GTK_CONTAINER (widget));
cairo_translate (cr, border_width, border_width);
client_width = allocation.width - preview->left_width - preview->right_width - border_width * 2;
client_height = allocation.height - preview->top_height - preview->bottom_height - border_width * 2;
client_width = allocation.width - preview->left_width - preview->right_width;
client_height = allocation.height - preview->top_height - preview->bottom_height;
if (client_width < 0)
client_width = 1;
@ -239,42 +242,69 @@ meta_preview_draw (GtkWidget *widget,
return GTK_WIDGET_CLASS (meta_preview_parent_class)->draw (widget, cr);
}
#define NO_CHILD_WIDTH 80
#define NO_CHILD_HEIGHT 20
static void
meta_preview_size_request (GtkWidget *widget,
GtkRequisition *req)
meta_preview_get_preferred_width (GtkWidget *widget,
gint *minimum,
gint *natural)
{
MetaPreview *preview;
GtkWidget *child;
guint border_width;
preview = META_PREVIEW (widget);
ensure_info (preview);
req->width = preview->left_width + preview->right_width;
req->height = preview->top_height + preview->bottom_height;
*minimum = *natural = preview->left_width + preview->right_width;
child = gtk_bin_get_child (GTK_BIN (preview));
if (child && gtk_widget_get_visible (child))
{
GtkRequisition child_requisition;
gint child_min, child_nat;
gtk_widget_size_request (child, &child_requisition);
gtk_widget_get_preferred_width (child, &child_min, &child_nat);
req->width += child_requisition.width;
req->height += child_requisition.height;
*minimum += child_min;
*natural += child_nat;
}
else
{
#define NO_CHILD_WIDTH 80
#define NO_CHILD_HEIGHT 20
req->width += NO_CHILD_WIDTH;
req->height += NO_CHILD_HEIGHT;
*minimum += NO_CHILD_WIDTH;
*natural += NO_CHILD_WIDTH;
}
}
border_width = gtk_container_get_border_width (GTK_CONTAINER (widget));
req->width += border_width * 2;
req->height += border_width * 2;
static void
meta_preview_get_preferred_height (GtkWidget *widget,
gint *minimum,
gint *natural)
{
MetaPreview *preview;
GtkWidget *child;
preview = META_PREVIEW (widget);
ensure_info (preview);
*minimum = *natural = preview->top_height + preview->bottom_height;
child = gtk_bin_get_child (GTK_BIN (preview));
if (child && gtk_widget_get_visible (child))
{
gint child_min, child_nat;
gtk_widget_get_preferred_height (child, &child_min, &child_nat);
*minimum += child_min;
*natural += child_nat;
}
else
{
*minimum += NO_CHILD_HEIGHT;
*natural += NO_CHILD_HEIGHT;
}
}
static void
@ -284,7 +314,6 @@ meta_preview_size_allocate (GtkWidget *widget,
MetaPreview *preview;
GtkAllocation widget_allocation, child_allocation;
GtkWidget *child;
guint border_width;
preview = META_PREVIEW (widget);
@ -292,17 +321,15 @@ meta_preview_size_allocate (GtkWidget *widget,
gtk_widget_set_allocation (widget, allocation);
border_width = gtk_container_get_border_width (GTK_CONTAINER (widget));
child = gtk_bin_get_child (GTK_BIN (widget));
if (child && gtk_widget_get_visible (child))
{
gtk_widget_get_allocation (widget, &widget_allocation);
child_allocation.x = widget_allocation.x + border_width + preview->left_width;
child_allocation.y = widget_allocation.y + border_width + preview->top_height;
child_allocation.x = widget_allocation.x + preview->left_width;
child_allocation.y = widget_allocation.y + preview->top_height;
child_allocation.width = MAX (1, widget_allocation.width - border_width * 2 - preview->left_width - preview->right_width);
child_allocation.height = MAX (1, widget_allocation.height - border_width * 2 - preview->top_height - preview->bottom_height);
child_allocation.width = MAX (1, widget_allocation.width - preview->left_width - preview->right_width);
child_allocation.height = MAX (1, widget_allocation.height - preview->top_height - preview->bottom_height);
gtk_widget_size_allocate (child, &child_allocation);
}