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This commit is contained in:
Jonathan Blandford 2002-11-27 00:03:37 +00:00
parent 8adc7405c7
commit 9d0a2117d8
5 changed files with 307 additions and 64 deletions
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8
capplets/common/gnome-theme-info.c
View file

@ -28,10 +28,10 @@ typedef struct _ThemeCallbackData
} ThemeCallbackData;
GHashTable *theme_hash = NULL;
GHashTable *icon_theme_hash = NULL;
GHashTable *meta_theme_hash = NULL;
GList *callbacks = NULL;
static GHashTable *theme_hash = NULL;
static GHashTable *icon_theme_hash = NULL;
static GHashTable *meta_theme_hash = NULL;
static GList *callbacks = NULL;
const gchar *gtk2_suffix = "gtk-2.0";

41
capplets/theme-switcher/gnome-theme-manager.c
View file

@ -33,7 +33,7 @@
#define WINDOW_THEME_DEFAULT_NAME "Atlanta"
#define ICON_THEME_DEFAULT_NAME "Default"
#define MAX_ELEMENTS_BEFORE_SCROLLING 8
#define MAX_ELEMENTS_BEFORE_SCROLLING 3
static void read_themes (GladeXML *dialog);
@ -83,6 +83,19 @@ create_dialog (void)
}
static void
async_func (GdkPixbuf *pixbuf,
gpointer data)
{
GList *list = data;
GtkTreeIter *iter = list->next->data;
GtkTreeModel *model = list->data;
gtk_list_store_set (GTK_LIST_STORE (model), iter,
PIXBUF_COLUMN, pixbuf,
-1);
}
static void
load_meta_themes (GtkTreeView *tree_view,
GList *meta_theme_list,
@ -127,9 +140,22 @@ load_meta_themes (GtkTreeView *tree_view,
gtk_tree_path_free (path);
current_theme_found = TRUE;
}
blurb = g_strdup_printf ("<span size=\"larger\" weight=\"bold\">%s</span>\n\n%s",
blurb = g_strdup_printf ("<span size=\"larger\" weight=\"bold\">%s</span>\n%s",
meta_theme_info->readable_name, meta_theme_info->comment);
pixbuf = NULL;
pixbuf = generate_theme_thumbnail (meta_theme_info);
if (i <= MAX_ELEMENTS_BEFORE_SCROLLING)
{
GtkTreeIter *new_iter = gtk_tree_iter_copy (&iter);
GList *list_data = NULL;
list_data = g_list_prepend (list_data, new_iter);
list_data = g_list_prepend (list_data, model);
#if 0
//pixbuf = generate_theme_thumbnail (meta_theme_info);
#endif
}
gtk_list_store_set (GTK_LIST_STORE (model), &iter,
PIXBUF_COLUMN, pixbuf,
THEME_NAME_COLUMN, blurb,
@ -343,7 +369,6 @@ meta_theme_setup_info (GnomeThemeMetaInfo *meta_theme_info,
{
GtkWidget *notebook;
GtkWidget *toggle;
gulong signal_id;
notebook = WID ("meta_theme_notebook");
@ -882,7 +907,17 @@ setup_dialog (GladeXML *dialog)
size_group = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);
gtk_size_group_add_widget (size_group, WID ("meta_theme_install_button"));
gtk_size_group_add_widget (size_group, WID ("meta_theme_save_button"));
g_object_unref (size_group);
size_group = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);
gtk_size_group_add_widget (size_group, WID ("meta_theme_font1_button"));
gtk_size_group_add_widget (size_group, WID ("meta_theme_background1_button"));
gtk_size_group_add_widget (size_group, WID ("meta_theme_font2_button"));
gtk_size_group_add_widget (size_group, WID ("meta_theme_background2_button"));
g_object_unref (size_group);
setup_tree_view (GTK_TREE_VIEW (WID ("meta_theme_treeview")),
(GCallback) meta_theme_selection_changed,
dialog);

99
capplets/theme-switcher/theme-properties.glade
View file

@ -250,7 +250,8 @@
<child>
<widget class="GtkLabel" id="label24">
<property name="visible">True</property>
<property name="label" translatable="yes">This theme suggests a matching font:</property>
<property name="label" translatable="yes">This theme suggests a
font:</property>
<property name="use_underline">False</property>
<property name="use_markup">False</property>
<property name="justify">GTK_JUSTIFY_LEFT</property>
@ -269,15 +270,22 @@
</child>
<child>
<widget class="GtkCheckButton" id="meta_theme_font1_toggle">
<widget class="GtkAlignment" id="alignment3">
<property name="visible">True</property>
<property name="can_focus">True</property>
<property name="label" translatable="yes">Use _Font</property>
<property name="use_underline">True</property>
<property name="relief">GTK_RELIEF_NORMAL</property>
<property name="active">False</property>
<property name="inconsistent">False</property>
<property name="draw_indicator">True</property>
<property name="xalign">0</property>
<property name="yalign">0.5</property>
<property name="xscale">0</property>
<property name="yscale">0</property>
<child>
<widget class="GtkButton" id="meta_theme_font1_button">
<property name="visible">True</property>
<property name="can_focus">True</property>
<property name="label" translatable="yes">Apply _Font</property>
<property name="use_underline">True</property>
<property name="relief">GTK_RELIEF_NORMAL</property>
</widget>
</child>
</widget>
<packing>
<property name="padding">0</property>
@ -320,7 +328,7 @@
<child>
<widget class="GtkLabel" id="label25">
<property name="visible">True</property>
<property name="label" translatable="yes">This theme suggests a matching
<property name="label" translatable="yes">This theme suggests a
background:</property>
<property name="use_underline">False</property>
<property name="use_markup">False</property>
@ -340,15 +348,22 @@ background:</property>
</child>
<child>
<widget class="GtkCheckButton" id="meta_theme_background1_toggle">
<widget class="GtkAlignment" id="alignment4">
<property name="visible">True</property>
<property name="can_focus">True</property>
<property name="label" translatable="yes">Use _background</property>
<property name="use_underline">True</property>
<property name="relief">GTK_RELIEF_NORMAL</property>
<property name="active">False</property>
<property name="inconsistent">False</property>
<property name="draw_indicator">True</property>
<property name="xalign">0</property>
<property name="yalign">0.5</property>
<property name="xscale">0</property>
<property name="yscale">0</property>
<child>
<widget class="GtkButton" id="meta_theme_background1_button">
<property name="visible">True</property>
<property name="can_focus">True</property>
<property name="label" translatable="yes">Apply _Background</property>
<property name="use_underline">True</property>
<property name="relief">GTK_RELIEF_NORMAL</property>
</widget>
</child>
</widget>
<packing>
<property name="padding">0</property>
@ -391,7 +406,7 @@ background:</property>
<child>
<widget class="GtkLabel" id="label26">
<property name="visible">True</property>
<property name="label" translatable="yes">This theme suggests a matching
<property name="label" translatable="yes">This theme suggests a
font and background</property>
<property name="use_underline">False</property>
<property name="use_markup">False</property>
@ -411,15 +426,22 @@ font and background</property>
</child>
<child>
<widget class="GtkCheckButton" id="meta_theme_font2_toggle">
<widget class="GtkAlignment" id="alignment5">
<property name="visible">True</property>
<property name="can_focus">True</property>
<property name="label" translatable="yes">Use _Font </property>
<property name="use_underline">True</property>
<property name="relief">GTK_RELIEF_NORMAL</property>
<property name="active">False</property>
<property name="inconsistent">False</property>
<property name="draw_indicator">True</property>
<property name="xalign">0</property>
<property name="yalign">0.5</property>
<property name="xscale">0</property>
<property name="yscale">0</property>
<child>
<widget class="GtkButton" id="meta_theme_font2_button">
<property name="visible">True</property>
<property name="can_focus">True</property>
<property name="label" translatable="yes">Apply _Font</property>
<property name="use_underline">True</property>
<property name="relief">GTK_RELIEF_NORMAL</property>
</widget>
</child>
</widget>
<packing>
<property name="padding">0</property>
@ -429,15 +451,22 @@ font and background</property>
</child>
<child>
<widget class="GtkCheckButton" id="meta_theme_background2_toggle">
<widget class="GtkAlignment" id="alignment6">
<property name="visible">True</property>
<property name="can_focus">True</property>
<property name="label" translatable="yes">Use _Background</property>
<property name="use_underline">True</property>
<property name="relief">GTK_RELIEF_NORMAL</property>
<property name="active">False</property>
<property name="inconsistent">False</property>
<property name="draw_indicator">True</property>
<property name="xalign">0</property>
<property name="yalign">0.5</property>
<property name="xscale">0</property>
<property name="yscale">1</property>
<child>
<widget class="GtkButton" id="meta_theme_background2_button">
<property name="visible">True</property>
<property name="can_focus">True</property>
<property name="label" translatable="yes">Apply _Background</property>
<property name="use_underline">True</property>
<property name="relief">GTK_RELIEF_NORMAL</property>
</widget>
</child>
</widget>
<packing>
<property name="padding">0</property>

207
capplets/theme-switcher/theme-thumbnail.c
View file

@ -17,15 +17,34 @@
#include "capplet-util.h"
static gint child_pid;
#define ICON_SIZE_WIDTH 150
#define ICON_SIZE_HEIGHT 150
typedef struct
{
gboolean set;
GByteArray *data;
gchar *meta_theme_name;
ThemeThumbnailFunc func;
gpointer user_data;
GDestroyNotify destroy;
GIOChannel *channel;
guint watch_id;
} ThemeThumbnailAsyncData;
GHashTable *theme_hash = NULL;
ThemeThumbnailAsyncData async_data;
/* Protocol */
/* Our protocol is pretty simple. The parent process will write three strings
* (separated by a '\000') They are the widget theme, the wm theme, and the icon
* theme. Then, it will wait for the child to write back the data. It expects
* 100x100x3 bytes of information. After that, the child is ready for the next
* theme to render.
* ICON_SIZE_WIDTH * ICON_SIZE_HEIGHT * 4 bytes of information. After that, the
* child is ready for the next theme to render.
*/
enum
@ -34,6 +53,7 @@ enum
READING_CONTROL_THEME_NAME,
READING_WM_THEME_NAME,
READING_ICON_THEME_NAME,
READING_APPLICATION_FONT,
WRITING_PIXBUF_DATA
};
@ -43,6 +63,7 @@ typedef struct
GByteArray *control_theme_name;
GByteArray *wm_theme_name;
GByteArray *icon_theme_name;
GByteArray *application_font;
} ThemeThumbnailData;
int pipe_to_factory_fd[2];
@ -99,12 +120,15 @@ create_image (ThemeThumbnailData *theme_thumbnail_data,
GnomeIconTheme *icon_theme;
GdkPixbuf *folder_icon;
char *folder_icon_name;
char *foo;
settings = gtk_settings_get_default ();
g_object_set (G_OBJECT (settings),
"gtk-theme-name", (char *) theme_thumbnail_data->control_theme_name->data,
"gtk-font-name", (char *) theme_thumbnail_data->application_font->data,
NULL);
g_object_get (G_OBJECT (settings),
"gtk-icon-sizes", &foo,
NULL);
theme = meta_theme_load ((char *) theme_thumbnail_data->wm_theme_name->data, NULL);
flags = META_FRAME_ALLOWS_DELETE |
@ -140,19 +164,19 @@ create_image (ThemeThumbnailData *theme_thumbnail_data,
meta_preview_set_title (META_PREVIEW (preview), "");
gtk_window_set_default_size (GTK_WINDOW (window), 100, 100);
gtk_window_set_default_size (GTK_WINDOW (window), ICON_SIZE_WIDTH, ICON_SIZE_HEIGHT);
gtk_widget_size_request (window, &requisition);
allocation.x = 0;
allocation.y = 0;
allocation.width = 100;
allocation.height = 100;
allocation.width = ICON_SIZE_WIDTH;
allocation.height = ICON_SIZE_HEIGHT;
gtk_widget_size_allocate (window, &allocation);
gtk_widget_size_request (window, &requisition);
/* Create a pixmap */
visual = gtk_widget_get_visual (window);
pixmap = gdk_pixmap_new (NULL, 100, 100, gdk_visual_get_best_depth());
pixmap = gdk_pixmap_new (NULL, ICON_SIZE_WIDTH, ICON_SIZE_HEIGHT, gdk_visual_get_best_depth());
gdk_drawable_set_colormap (GDK_DRAWABLE (pixmap), gtk_widget_get_colormap (window));
/* Draw the window */
@ -169,7 +193,7 @@ create_image (ThemeThumbnailData *theme_thumbnail_data,
fake_expose_widget (GTK_BIN (stock_button)->child, pixmap);
gdk_pixbuf_get_from_drawable (pixbuf, pixmap, NULL, 0, 0, 0, 0, 100, 100);
gdk_pixbuf_get_from_drawable (pixbuf, pixmap, NULL, 0, 0, 0, 0, ICON_SIZE_WIDTH, ICON_SIZE_HEIGHT);
/* Handle the icon theme */
icon_theme = gnome_icon_theme_new ();
@ -257,6 +281,21 @@ handle_bytes (const gchar *buffer,
g_byte_array_append (theme_thumbnail_data->icon_theme_name, ptr, nil - ptr + 1);
bytes_read -= (nil - ptr + 1);
ptr = nil + 1;
theme_thumbnail_data->status = READING_APPLICATION_FONT;
}
break;
case READING_APPLICATION_FONT:
nil = memchr (ptr, '\000', bytes_read);
if (nil == NULL)
{
g_byte_array_append (theme_thumbnail_data->application_font, ptr, bytes_read);
bytes_read = 0;
}
else
{
g_byte_array_append (theme_thumbnail_data->application_font, ptr, nil - ptr + 1);
bytes_read -= (nil - ptr + 1);
ptr = nil + 1;
theme_thumbnail_data->status = WRITING_PIXBUF_DATA;
}
break;
@ -294,19 +333,19 @@ message_from_capplet (GIOChannel *source,
if (theme_thumbnail_data->status == WRITING_PIXBUF_DATA)
{
pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, 100, 100);
pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, ICON_SIZE_WIDTH, ICON_SIZE_HEIGHT);
create_image (theme_thumbnail_data, pixbuf);
rowstride = gdk_pixbuf_get_rowstride (pixbuf);
pixels = gdk_pixbuf_get_pixels (pixbuf);
for (i = 0; i < 100; i ++)
for (i = 0; i < ICON_SIZE_HEIGHT; i ++)
{
write (pipe_from_factory_fd[1], pixels + (rowstride)*i, 100*4);
write (pipe_from_factory_fd[1], pixels + (rowstride)*i, ICON_SIZE_WIDTH * gdk_pixbuf_get_n_channels (pixbuf));
}
theme_thumbnail_data->status = READY_FOR_THEME;
g_byte_array_set_size (theme_thumbnail_data->control_theme_name, 0);
g_byte_array_set_size (theme_thumbnail_data->wm_theme_name, 0);
g_byte_array_set_size (theme_thumbnail_data->icon_theme_name, 0);
g_byte_array_set_size (theme_thumbnail_data->application_font, 0);
}
return TRUE;
case G_IO_STATUS_AGAIN:
@ -321,29 +360,153 @@ message_from_capplet (GIOChannel *source,
return TRUE;
}
static gboolean
message_from_child (GIOChannel *source,
GIOCondition condition,
gpointer data)
{
gchar buffer[1024];
GIOStatus status;
gsize bytes_read;
if (async_data.set == FALSE)
return TRUE;
status = g_io_channel_read_chars (source,
buffer,
1024,
&bytes_read,
NULL);
switch (status)
{
case G_IO_STATUS_NORMAL:
g_byte_array_append (async_data.data, buffer, bytes_read);
if (async_data.data->len == ICON_SIZE_WIDTH * ICON_SIZE_HEIGHT * 4)
{
GdkPixbuf *pixbuf;
GdkPixbuf *scaled_pixbuf;
gchar *pixels;
gint i, rowstride;
pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, ICON_SIZE_WIDTH, ICON_SIZE_HEIGHT);
pixels = gdk_pixbuf_get_pixels (pixbuf);
rowstride = gdk_pixbuf_get_rowstride (pixbuf);
for (i = 0; i < ICON_SIZE_HEIGHT; i++)
memcpy (pixels + rowstride * i, async_data.data->data + 4 * ICON_SIZE_WIDTH * i, ICON_SIZE_WIDTH * 4);
scaled_pixbuf = gdk_pixbuf_scale_simple (pixbuf, ICON_SIZE_WIDTH/2, ICON_SIZE_HEIGHT/2, GDK_INTERP_BILINEAR);
g_hash_table_insert (theme_hash, async_data.meta_theme_name, scaled_pixbuf);
g_object_unref (pixbuf);
(* async_data.func) (scaled_pixbuf, async_data.user_data);
g_source_remove (async_data.watch_id);
g_io_channel_unref (async_data.channel);
async_data.channel = NULL;
if (async_data.destroy)
(* async_data.destroy) (async_data.data);
g_free (async_data.meta_theme_name);
async_data.meta_theme_name = NULL;
async_data.set = FALSE;
}
return TRUE;
case G_IO_STATUS_AGAIN:
return TRUE;
case G_IO_STATUS_EOF:
case G_IO_STATUS_ERROR:
return TRUE;
default:
g_assert_not_reached ();
}
return TRUE;
}
GdkPixbuf *
generate_theme_thumbnail (GnomeThemeMetaInfo *meta_theme_info)
{
GdkPixbuf *retval = NULL;
GdkPixbuf *pixbuf = NULL;
gint i, rowstride;
char *pixels;
retval = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, 100, 100);
g_return_val_if_fail (async_data.set == FALSE, NULL);
pixbuf = g_hash_table_lookup (theme_hash, meta_theme_info->name);
if (pixbuf != NULL)
{
return pixbuf;
}
pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, ICON_SIZE_WIDTH, ICON_SIZE_HEIGHT);
write (pipe_to_factory_fd[1], meta_theme_info->gtk_theme_name, strlen (meta_theme_info->gtk_theme_name) + 1);
write (pipe_to_factory_fd[1], meta_theme_info->metacity_theme_name, strlen (meta_theme_info->metacity_theme_name) + 1);
write (pipe_to_factory_fd[1], meta_theme_info->icon_theme_name, strlen (meta_theme_info->icon_theme_name) + 1);
if (meta_theme_info->application_font == NULL)
write (pipe_to_factory_fd[1], "Sans 10", strlen ("Sans 10") + 1);
else
write (pipe_to_factory_fd[1], meta_theme_info->application_font, strlen (meta_theme_info->application_font) + 1);
rowstride = gdk_pixbuf_get_rowstride (retval);
pixels = gdk_pixbuf_get_pixels (retval);
rowstride = gdk_pixbuf_get_rowstride (pixbuf);
pixels = gdk_pixbuf_get_pixels (pixbuf);
for (i = 0; i < 100; i++)
for (i = 0; i < ICON_SIZE_HEIGHT; i++)
{
read (pipe_from_factory_fd[0], pixels + (rowstride)*i, 100*4);
read (pipe_from_factory_fd[0], pixels + (rowstride)*i, ICON_SIZE_WIDTH * gdk_pixbuf_get_n_channels (pixbuf));
}
retval = gdk_pixbuf_scale_simple (pixbuf, ICON_SIZE_WIDTH/2, ICON_SIZE_HEIGHT/2, GDK_INTERP_BILINEAR);
g_hash_table_insert (theme_hash, meta_theme_info->name, retval);
return retval;
}
void
generate_theme_thumbnail_async (GnomeThemeMetaInfo *meta_theme_info,
ThemeThumbnailFunc func,
gpointer user_data,
GDestroyNotify destroy)
{
GdkPixbuf *pixbuf;
g_return_if_fail (async_data.set == FALSE);
pixbuf = g_hash_table_lookup (theme_hash, meta_theme_info->name);
if (pixbuf != NULL)
{
(* func) (pixbuf, user_data);
if (destroy)
(* destroy) (user_data);
return;
}
async_data.channel = g_io_channel_unix_new (pipe_from_factory_fd[0]);
g_io_channel_set_flags (async_data.channel, g_io_channel_get_flags (async_data.channel) |
G_IO_FLAG_NONBLOCK, NULL);
g_io_channel_set_encoding (async_data.channel, NULL, NULL);
async_data.watch_id = g_io_add_watch (async_data.channel, G_IO_IN | G_IO_HUP, message_from_child, NULL);
async_data.set = TRUE;
async_data.meta_theme_name = g_strdup (meta_theme_info->name);
async_data.func = func;
async_data.user_data = user_data;
async_data.destroy = destroy;
write (pipe_to_factory_fd[1], meta_theme_info->gtk_theme_name, strlen (meta_theme_info->gtk_theme_name) + 1);
write (pipe_to_factory_fd[1], meta_theme_info->metacity_theme_name, strlen (meta_theme_info->metacity_theme_name) + 1);
write (pipe_to_factory_fd[1], meta_theme_info->icon_theme_name, strlen (meta_theme_info->icon_theme_name) + 1);
if (meta_theme_info->application_font == NULL)
write (pipe_to_factory_fd[1], "Sans 10", strlen ("Sans 10") + 1);
else
write (pipe_to_factory_fd[1], meta_theme_info->application_font, strlen (meta_theme_info->application_font) + 1);
}
void
setup_theme_thumbnail_factory (int argc, char *argv[])
{
@ -353,8 +516,8 @@ setup_theme_thumbnail_factory (int argc, char *argv[])
child_pid = fork ();
if (child_pid == 0)
{
GIOChannel *channel;
ThemeThumbnailData data;
GIOChannel *channel;
/* Child */
gtk_init (&argc, &argv);
@ -366,6 +529,7 @@ setup_theme_thumbnail_factory (int argc, char *argv[])
data.control_theme_name = g_byte_array_new ();
data.wm_theme_name = g_byte_array_new ();
data.icon_theme_name = g_byte_array_new ();
data.application_font = g_byte_array_new ();
channel = g_io_channel_unix_new (pipe_to_factory_fd[0]);
g_io_channel_set_flags (channel, g_io_channel_get_flags (channel) |
@ -381,4 +545,9 @@ setup_theme_thumbnail_factory (int argc, char *argv[])
/* Parent */
close (pipe_to_factory_fd[0]);
close (pipe_from_factory_fd[1]);
async_data.set = FALSE;
async_data.meta_theme_name = NULL;
async_data.data = g_byte_array_new ();
theme_hash = g_hash_table_new_full (g_str_hash, g_str_equal, NULL, g_object_unref);
}

16
capplets/theme-switcher/theme-thumbnail.h
View file

@ -5,8 +5,18 @@
#include <gtk/gtk.h>
#include "gnome-theme-info.h"
GdkPixbuf *generate_theme_thumbnail (GnomeThemeMetaInfo *meta_theme_info);
void setup_theme_thumbnail_factory (int argc,
char *argv[]);
typedef void (* ThemeThumbnailFunc) (GdkPixbuf *pixbuf,
gpointer data);
GdkPixbuf *generate_theme_thumbnail (GnomeThemeMetaInfo *meta_theme_info);
void generate_theme_thumbnail_async (GnomeThemeMetaInfo *meta_theme_info,
ThemeThumbnailFunc func,
gpointer data,
GDestroyNotify destroy);
void setup_theme_thumbnail_factory (int argc,
char *argv[]);
#endif /* __THEME_THUMBNAIL_H__ */