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theme: Use a singleton theme

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Different themes don't make sense when we are always using the current
GTK+ theme for everything, so adapt the MetaTheme API to use a singleton.

https://bugzilla.gnome.org/show_bug.cgi?id=741917
This commit is contained in:
Florian Müllner 2014-09-26 00:26:01 +02:00 committed by Jasper St. Pierre
parent d5e6177900
commit 662dd6a289
6 changed files with 17 additions and 68 deletions
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38
src/core/main.c
View File

@ -431,42 +431,6 @@ meta_run (void)
meta_prefs_init ();
meta_prefs_add_listener (prefs_changed_callback, NULL);
meta_ui_set_current_theme (meta_prefs_get_theme ());
/* Try to find some theme that'll work if the theme preference
* doesn't exist. First try Simple (the default theme) then just
* try anything in the themes directory.
*/
if (!meta_ui_have_a_theme ())
meta_ui_set_current_theme ("Simple");
if (!meta_ui_have_a_theme ())
{
const char *dir_entry = NULL;
GError *err = NULL;
GDir *themes_dir = NULL;
if (!(themes_dir = g_dir_open (MUTTER_DATADIR"/themes", 0, &err)))
{
meta_fatal (_("Failed to scan themes directory: %s\n"), err->message);
g_error_free (err);
}
else
{
while (((dir_entry = g_dir_read_name (themes_dir)) != NULL) &&
(!meta_ui_have_a_theme ()))
{
meta_ui_set_current_theme (dir_entry);
}
g_dir_close (themes_dir);
}
}
if (!meta_ui_have_a_theme ())
meta_fatal (_("Could not find a theme! Be sure %s exists and contains the usual themes.\n"),
MUTTER_DATADIR"/themes");
if (!meta_display_open ())
meta_exit (META_EXIT_ERROR);
@ -513,9 +477,7 @@ prefs_changed_callback (MetaPreference pref,
{
switch (pref)
{
case META_PREF_THEME:
case META_PREF_DRAGGABLE_BORDER_WIDTH:
meta_ui_set_current_theme (meta_prefs_get_theme ());
meta_display_retheme_all ();
break;

3
src/meta/theme.h
View File

@ -30,8 +30,7 @@
*/
typedef struct _MetaTheme MetaTheme;
MetaTheme* meta_theme_get_current (void);
void meta_theme_set_current (const char *name);
MetaTheme* meta_theme_get_default (void);
MetaTheme* meta_theme_new (void);
void meta_theme_free (MetaTheme *theme);

11
src/ui/frames.c
View File

@ -395,8 +395,7 @@ meta_frames_ensure_layout (MetaFrames *frames,
META_CORE_GET_FRAME_TYPE, &type,
META_CORE_GET_END);
style = meta_theme_get_frame_style (meta_theme_get_current (),
type, flags);
style = meta_theme_get_frame_style (meta_theme_get_default (), type, flags);
if (style != frame->cache_style)
{
@ -480,7 +479,7 @@ meta_frames_calc_geometry (MetaFrames *frames,
meta_prefs_get_button_layout (&button_layout);
meta_theme_calc_geometry (meta_theme_get_current (),
meta_theme_calc_geometry (meta_theme_get_default (),
frame->style_info,
type,
frame->text_height,
@ -648,7 +647,7 @@ meta_ui_frame_get_borders (MetaFrames *frames,
* by the core move/resize code to decide on the client
* window size
*/
meta_theme_get_frame_borders (meta_theme_get_current (),
meta_theme_get_frame_borders (meta_theme_get_default (),
frame->style_info,
type,
frame->text_height,
@ -1560,7 +1559,7 @@ get_visible_frame_border_region (MetaUIFrame *frame)
META_CORE_GET_FRAME_RECT, &frame_rect,
META_CORE_GET_END);
meta_theme_get_frame_borders (meta_theme_get_current (), frame->style_info,
meta_theme_get_frame_borders (meta_theme_get_default (), frame->style_info,
type, frame->text_height, flags,
&borders);
@ -1751,7 +1750,7 @@ meta_frames_paint (MetaFrames *frames,
meta_prefs_get_button_layout (&button_layout);
meta_theme_draw_frame (meta_theme_get_current (),
meta_theme_draw_frame (meta_theme_get_default (),
frame->style_info,
cr,
type,

21
src/ui/theme.c
View File

@ -4573,23 +4573,19 @@ meta_frame_style_set_validate (MetaFrameStyleSet *style_set,
}
/**
* meta_theme_get_current: (skip)
* meta_theme_get_default: (skip)
*
*/
MetaTheme*
meta_theme_get_current (void)
{
return meta_current_theme;
}
void
meta_theme_set_current (const char *name)
meta_theme_get_default (void)
{
static MetaTheme *theme = NULL;
int i, j, frame_type;
if (meta_current_theme)
return;
meta_current_theme = meta_theme_new ();
if (theme)
return theme;
theme = meta_theme_new ();
for (frame_type = 0; frame_type < META_FRAME_TYPE_LAST; frame_type++)
{
@ -4650,8 +4646,9 @@ meta_theme_set_current (const char *name)
}
meta_frame_style_unref (style);
meta_current_theme->style_sets_by_type[frame_type] = style_set;
theme->style_sets_by_type[frame_type] = style_set;
}
return theme;
}
/**

11
src/ui/ui.c
View File

@ -599,7 +599,7 @@ meta_ui_theme_get_frame_borders (MetaUI *ui,
text_height = meta_pango_font_desc_get_text_height (font_desc, context);
meta_theme_get_frame_borders (meta_theme_get_current (),
meta_theme_get_frame_borders (meta_theme_get_default (),
style_info, type, text_height, flags,
borders);
@ -615,17 +615,10 @@ meta_ui_theme_get_frame_borders (MetaUI *ui,
meta_style_info_unref (style_info);
}
void
meta_ui_set_current_theme (const char *name)
{
meta_theme_set_current (name);
meta_invalidate_default_icons ();
}
gboolean
meta_ui_have_a_theme (void)
{
return meta_theme_get_current () != NULL;
return meta_theme_get_default () != NULL;
}
gboolean

1
src/ui/ui.h
View File

@ -111,7 +111,6 @@ GdkPixbuf* meta_gdk_pixbuf_get_from_pixmap (Pixmap xpixmap,
gboolean meta_ui_window_should_not_cause_focus (Display *xdisplay,
Window xwindow);
void meta_ui_set_current_theme (const char *name);
gboolean meta_ui_have_a_theme (void);
gboolean meta_ui_window_is_widget (MetaUI *ui,