diff options
Diffstat (limited to 'src/ui/preview-widget.c')
| -rw-r--r-- | src/ui/preview-widget.c | 580 |
1 files changed, 0 insertions, 580 deletions
diff --git a/src/ui/preview-widget.c b/src/ui/preview-widget.c deleted file mode 100644 index 4d2f9a2e..00000000 --- a/src/ui/preview-widget.c +++ /dev/null @@ -1,580 +0,0 @@ -/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */ - -/* Metacity theme preview widget */ - -/* - * Copyright (C) 2002 Havoc Pennington - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA - * 02111-1307, USA. - */ - -#define _GNU_SOURCE -#define _XOPEN_SOURCE 600 /* for the maths routines over floats */ - -#include <math.h> -#include "preview-widget.h" - -static void meta_preview_class_init (MetaPreviewClass *klass); -static void meta_preview_init (MetaPreview *preview); -static void meta_preview_size_request (GtkWidget *widget, - GtkRequisition *req); -static void meta_preview_size_allocate (GtkWidget *widget, - GtkAllocation *allocation); -static gboolean meta_preview_expose (GtkWidget *widget, - GdkEventExpose *event); -static void meta_preview_finalize (GObject *object); - -static GtkWidgetClass *parent_class; - -GtkType -meta_preview_get_type (void) -{ - static GtkType preview_type = 0; - - if (!preview_type) - { - static const GtkTypeInfo preview_info = - { - "MetaPreview", - sizeof (MetaPreview), - sizeof (MetaPreviewClass), - (GtkClassInitFunc) meta_preview_class_init, - (GtkObjectInitFunc) meta_preview_init, - /* reserved_1 */ NULL, - /* reserved_2 */ NULL, - (GtkClassInitFunc) NULL, - }; - - preview_type = gtk_type_unique (GTK_TYPE_BIN, &preview_info); - } - - return preview_type; -} - -static void -meta_preview_class_init (MetaPreviewClass *class) -{ - GObjectClass *gobject_class = G_OBJECT_CLASS (class); - GtkWidgetClass *widget_class; - - widget_class = (GtkWidgetClass*) class; - parent_class = gtk_type_class (GTK_TYPE_BIN); - - gobject_class->finalize = meta_preview_finalize; - - widget_class->expose_event = meta_preview_expose; - widget_class->size_request = meta_preview_size_request; - widget_class->size_allocate = meta_preview_size_allocate; -} - -static void -meta_preview_init (MetaPreview *preview) -{ - int i; - - GTK_WIDGET_SET_FLAGS (preview, GTK_NO_WINDOW); - - i = 0; - while (i < MAX_BUTTONS_PER_CORNER) - { - preview->button_layout.left_buttons[i] = META_BUTTON_FUNCTION_LAST; - preview->button_layout.right_buttons[i] = META_BUTTON_FUNCTION_LAST; - ++i; - } - - preview->button_layout.left_buttons[0] = META_BUTTON_FUNCTION_MENU; - - preview->button_layout.right_buttons[0] = META_BUTTON_FUNCTION_MINIMIZE; - preview->button_layout.right_buttons[1] = META_BUTTON_FUNCTION_MAXIMIZE; - preview->button_layout.right_buttons[2] = META_BUTTON_FUNCTION_CLOSE; - - preview->type = META_FRAME_TYPE_NORMAL; - preview->flags = - META_FRAME_ALLOWS_DELETE | - META_FRAME_ALLOWS_MENU | - META_FRAME_ALLOWS_MINIMIZE | - META_FRAME_ALLOWS_MAXIMIZE | - META_FRAME_ALLOWS_VERTICAL_RESIZE | - META_FRAME_ALLOWS_HORIZONTAL_RESIZE | - META_FRAME_HAS_FOCUS | - META_FRAME_ALLOWS_SHADE | - META_FRAME_ALLOWS_MOVE; - - preview->left_width = -1; - preview->right_width = -1; - preview->top_height = -1; - preview->bottom_height = -1; -} - -GtkWidget* -meta_preview_new (void) -{ - MetaPreview *preview; - - preview = gtk_type_new (META_TYPE_PREVIEW); - - return GTK_WIDGET (preview); -} - -static void -meta_preview_finalize (GObject *object) -{ - MetaPreview *preview; - - preview = META_PREVIEW (object); - - g_free (preview->title); - preview->title = NULL; - - G_OBJECT_CLASS (parent_class)->finalize (object); -} - -static void -ensure_info (MetaPreview *preview) -{ - GtkWidget *widget; - - widget = GTK_WIDGET (preview); - - if (preview->layout == NULL) - { - PangoFontDescription *font_desc; - double scale; - PangoAttrList *attrs; - PangoAttribute *attr; - - if (preview->theme) - scale = meta_theme_get_title_scale (preview->theme, - preview->type, - preview->flags); - else - scale = 1.0; - - preview->layout = gtk_widget_create_pango_layout (widget, - preview->title); - - font_desc = meta_gtk_widget_get_font_desc (widget, scale, NULL); - - preview->text_height = - meta_pango_font_desc_get_text_height (font_desc, - gtk_widget_get_pango_context (widget)); - - attrs = pango_attr_list_new (); - - attr = pango_attr_size_new (pango_font_description_get_size (font_desc)); - attr->start_index = 0; - attr->end_index = G_MAXINT; - - pango_attr_list_insert (attrs, attr); - - pango_layout_set_attributes (preview->layout, attrs); - - pango_attr_list_unref (attrs); - - pango_font_description_free (font_desc); - } - - if (preview->top_height < 0) - { - if (preview->theme) - { - meta_theme_get_frame_borders (preview->theme, - preview->type, - preview->text_height, - preview->flags, - &preview->top_height, - &preview->bottom_height, - &preview->left_width, - &preview->right_width); - } - else - { - preview->top_height = 0; - preview->bottom_height = 0; - preview->left_width = 0; - preview->right_width = 0; - } - } -} - -static gboolean -meta_preview_expose (GtkWidget *widget, - GdkEventExpose *event) -{ - MetaPreview *preview; - int border_width; - int client_width; - int client_height; - MetaButtonState button_states[META_BUTTON_TYPE_LAST] = - { - META_BUTTON_STATE_NORMAL, - META_BUTTON_STATE_NORMAL, - META_BUTTON_STATE_NORMAL, - META_BUTTON_STATE_NORMAL - }; - - g_return_val_if_fail (META_IS_PREVIEW (widget), FALSE); - g_return_val_if_fail (event != NULL, FALSE); - - preview = META_PREVIEW (widget); - - ensure_info (preview); - - border_width = GTK_CONTAINER (widget)->border_width; - - client_width = widget->allocation.width - preview->left_width - preview->right_width - border_width * 2; - client_height = widget->allocation.height - preview->top_height - preview->bottom_height - border_width * 2; - - if (client_width < 0) - client_width = 1; - if (client_height < 0) - client_height = 1; - - if (preview->theme) - { - border_width = GTK_CONTAINER (widget)->border_width; - - meta_theme_draw_frame (preview->theme, - widget, - widget->window, - &event->area, - widget->allocation.x + border_width, - widget->allocation.y + border_width, - preview->type, - preview->flags, - client_width, client_height, - preview->layout, - preview->text_height, - &preview->button_layout, - button_states, - meta_preview_get_mini_icon (), - meta_preview_get_icon ()); - } - - /* draw child */ - return GTK_WIDGET_CLASS (parent_class)->expose_event (widget, event); -} - -static void -meta_preview_size_request (GtkWidget *widget, - GtkRequisition *req) -{ - MetaPreview *preview; - - preview = META_PREVIEW (widget); - - ensure_info (preview); - - req->width = preview->left_width + preview->right_width; - req->height = preview->top_height + preview->bottom_height; - - if (GTK_BIN (preview)->child && - GTK_WIDGET_VISIBLE (GTK_BIN (preview)->child)) - { - GtkRequisition child_requisition; - - gtk_widget_size_request (GTK_BIN (preview)->child, &child_requisition); - - req->width += child_requisition.width; - req->height += child_requisition.height; - } - else - { -#define NO_CHILD_WIDTH 80 -#define NO_CHILD_HEIGHT 20 - req->width += NO_CHILD_WIDTH; - req->height += NO_CHILD_HEIGHT; - } - - req->width += GTK_CONTAINER (widget)->border_width * 2; - req->height += GTK_CONTAINER (widget)->border_width * 2; -} - -static void -meta_preview_size_allocate (GtkWidget *widget, - GtkAllocation *allocation) -{ - MetaPreview *preview; - int border_width; - GtkAllocation child_allocation; - - preview = META_PREVIEW (widget); - - ensure_info (preview); - - widget->allocation = *allocation; - - border_width = GTK_CONTAINER (widget)->border_width; - - if (GTK_BIN (widget)->child && - GTK_WIDGET_VISIBLE (GTK_BIN (widget)->child)) - { - child_allocation.x = widget->allocation.x + border_width + preview->left_width; - child_allocation.y = widget->allocation.y + border_width + 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); - - gtk_widget_size_allocate (GTK_BIN (widget)->child, &child_allocation); - } -} - -static void -clear_cache (MetaPreview *preview) -{ - if (preview->layout) - { - g_object_unref (G_OBJECT (preview->layout)); - preview->layout = NULL; - } - - preview->left_width = -1; - preview->right_width = -1; - preview->top_height = -1; - preview->bottom_height = -1; -} - -void -meta_preview_set_theme (MetaPreview *preview, - MetaTheme *theme) -{ - g_return_if_fail (META_IS_PREVIEW (preview)); - - preview->theme = theme; - - clear_cache (preview); - - gtk_widget_queue_resize (GTK_WIDGET (preview)); -} - -void -meta_preview_set_title (MetaPreview *preview, - const char *title) -{ - g_return_if_fail (META_IS_PREVIEW (preview)); - - g_free (preview->title); - preview->title = g_strdup (title); - - clear_cache (preview); - - gtk_widget_queue_resize (GTK_WIDGET (preview)); -} - -void -meta_preview_set_frame_type (MetaPreview *preview, - MetaFrameType type) -{ - g_return_if_fail (META_IS_PREVIEW (preview)); - - preview->type = type; - - clear_cache (preview); - - gtk_widget_queue_resize (GTK_WIDGET (preview)); -} - -void -meta_preview_set_frame_flags (MetaPreview *preview, - MetaFrameFlags flags) -{ - g_return_if_fail (META_IS_PREVIEW (preview)); - - preview->flags = flags; - - clear_cache (preview); - - gtk_widget_queue_resize (GTK_WIDGET (preview)); -} - -void -meta_preview_set_button_layout (MetaPreview *preview, - const MetaButtonLayout *button_layout) -{ - g_return_if_fail (META_IS_PREVIEW (preview)); - - preview->button_layout = *button_layout; - - gtk_widget_queue_draw (GTK_WIDGET (preview)); -} - -#include "inlinepixbufs.h" - -GdkPixbuf* -meta_preview_get_icon (void) -{ - static GdkPixbuf *default_icon = NULL; - - if (default_icon == NULL) - { - GdkPixbuf *base; - - base = gdk_pixbuf_new_from_inline (-1, default_icon_data, - FALSE, - NULL); - - g_assert (base); - - default_icon = gdk_pixbuf_scale_simple (base, - META_ICON_WIDTH, - META_ICON_HEIGHT, - GDK_INTERP_BILINEAR); - - g_object_unref (G_OBJECT (base)); - } - - return default_icon; -} - -GdkPixbuf* -meta_preview_get_mini_icon (void) -{ - static GdkPixbuf *default_icon = NULL; - - if (default_icon == NULL) - { - GdkPixbuf *base; - - base = gdk_pixbuf_new_from_inline (-1, default_icon_data, - FALSE, - NULL); - - g_assert (base); - - default_icon = gdk_pixbuf_scale_simple (base, - META_MINI_ICON_WIDTH, - META_MINI_ICON_HEIGHT, - GDK_INTERP_BILINEAR); - - g_object_unref (G_OBJECT (base)); - } - - return default_icon; -} - -GdkRegion * -meta_preview_get_clip_region (MetaPreview *preview, gint new_window_width, gint new_window_height) -{ - GdkRectangle xrect; - GdkRegion *corners_xregion, *window_xregion; - gint flags; - MetaFrameLayout *fgeom; - MetaFrameStyle *frame_style; - - g_return_val_if_fail (META_IS_PREVIEW (preview), NULL); - - flags = (META_PREVIEW (preview)->flags); - - window_xregion = gdk_region_new (); - - xrect.x = 0; - xrect.y = 0; - xrect.width = new_window_width; - xrect.height = new_window_height; - - gdk_region_union_with_rect (window_xregion, &xrect); - - if (preview->theme == NULL) - return window_xregion; - - /* Otherwise, we do have a theme, so calculate the corners */ - frame_style = meta_theme_get_frame_style (preview->theme, - META_FRAME_TYPE_NORMAL, flags); - - fgeom = frame_style->layout; - - corners_xregion = gdk_region_new (); - - if (fgeom->top_left_corner_rounded_radius != 0) - { - const int corner = fgeom->top_left_corner_rounded_radius; - const float radius = sqrt(corner) + corner; - int i; - - for (i=0; i<corner; i++) - { - - const int width = floor(0.5 + radius - sqrt(radius*radius - (radius-(i+0.5))*(radius-(i+0.5)))); - xrect.x = 0; - xrect.y = i; - xrect.width = width; - xrect.height = 1; - - gdk_region_union_with_rect (corners_xregion, &xrect); - } - } - - if (fgeom->top_right_corner_rounded_radius != 0) - { - const int corner = fgeom->top_right_corner_rounded_radius; - const float radius = sqrt(corner) + corner; - int i; - - for (i=0; i<corner; i++) - { - const int width = floor(0.5 + radius - sqrt(radius*radius - (radius-(i+0.5))*(radius-(i+0.5)))); - xrect.x = new_window_width - width; - xrect.y = i; - xrect.width = width; - xrect.height = 1; - - gdk_region_union_with_rect (corners_xregion, &xrect); - } - } - - if (fgeom->bottom_left_corner_rounded_radius != 0) - { - const int corner = fgeom->bottom_left_corner_rounded_radius; - const float radius = sqrt(corner) + corner; - int i; - - for (i=0; i<corner; i++) - { - const int width = floor(0.5 + radius - sqrt(radius*radius - (radius-(i+0.5))*(radius-(i+0.5)))); - xrect.x = 0; - xrect.y = new_window_height - i - 1; - xrect.width = width; - xrect.height = 1; - - gdk_region_union_with_rect (corners_xregion, &xrect); - } - } - - if (fgeom->bottom_right_corner_rounded_radius != 0) - { - const int corner = fgeom->bottom_right_corner_rounded_radius; - const float radius = sqrt(corner) + corner; - int i; - - for (i=0; i<corner; i++) - { - const int width = floor(0.5 + radius - sqrt(radius*radius - (radius-(i+0.5))*(radius-(i+0.5)))); - xrect.x = new_window_width - width; - xrect.y = new_window_height - i - 1; - xrect.width = width; - xrect.height = 1; - - gdk_region_union_with_rect (corners_xregion, &xrect); - } - } - - gdk_region_subtract (window_xregion, corners_xregion); - gdk_region_destroy (corners_xregion); - - return window_xregion; -} - - |