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gtk-demo: Make CSS a resource

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Also, improve the CSS to give you that basic feel.
This commit is contained in:
Benjamin Otte
2012-05-13 21:23:41 +02:00
committed by Cosimo Cecchi
parent 6c7f99d01e
commit 075b259321
7 changed files with 127 additions and 38 deletions
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27
demos/gtk-demo/Makefile.am
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@ -76,13 +76,8 @@ BUILT_SOURCES = demos.h demo_resources.c
EXTRA_DIST += \
$(IMAGEFILES) \
demo.ui \
demo.gresource.xml \
application.ui \
menus.ui \
theming.ui \
fancy.css \
gtk-logo-24.png \
gtk-logo-48.png \
demo.gresource.xml \
$(RESOURCES) \
org.gtk.Demo.gschema.xml
gsettings_SCHEMAS = \
@ -110,9 +105,18 @@ gtk3_demo_application_SOURCES = \
gtk3_demo_application_LDADD = $(LDADDS)
demo_resources.c: demo.gresource.xml gtk-logo-24.png gtk-logo-48.png application.ui menus.ui
demo_resources.c: demo.gresource.xml $(RESOURCES)
$(AM_V_GEN) $(GLIB_COMPILE_RESOURCES) --target=$@ --sourcedir=$(srcdir) --generate-source $(srcdir)/demo.gresource.xml
RESOURCES= application.ui \
menus.ui \
theming.ui \
gtk-logo-24.png \
gtk-logo-48.png \
css_basics.css \
fancy.css \
reset.css
IMAGEFILES= alphatest.png \
apple-red.png \
background.jpg \
@ -131,11 +135,8 @@ IMAGEFILES= alphatest.png \
democode_DATA = \
$(demos) \
$(IMAGEFILES) \
demo.ui \
menus.ui \
application.ui \
theming.ui \
fancy.css
$(RESOURCES) \
demo.ui
DISTCLEANFILES = demos.h

22
demos/gtk-demo/css_basics.c
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@ -9,20 +9,6 @@
static GtkWidget *window = NULL;
#define DEFAULT_CSS \
"/* You can edit the CSS to change the appearance of this Window */\n" \
"\n" \
"GtkWindow {\n" \
" engine: none;\n" \
" background-image: none;\n" \
" background-color: brown;\n" \
"}\n" \
"\n" \
"GtkTextView {\n" \
" color: green;\n" \
"}\n" \
"\n"
static void
show_parsing_error (GtkCssProvider *provider,
GtkCssSection *section,
@ -83,6 +69,7 @@ do_css_basics (GtkWidget *do_widget)
GtkWidget *container, *child;
GtkStyleProvider *provider;
GtkTextBuffer *text;
GBytes *bytes;
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_transient_for (GTK_WINDOW (window), GTK_WINDOW (do_widget));
@ -110,9 +97,10 @@ do_css_basics (GtkWidget *do_widget)
"changed",
G_CALLBACK (css_text_changed),
provider);
gtk_text_buffer_set_text (text,
DEFAULT_CSS,
-1);
bytes = g_resources_lookup_data ("/css_basics/gtk.css", 0, NULL);
gtk_text_buffer_set_text (text, g_bytes_get_data (bytes, NULL), g_bytes_get_size (bytes));
g_signal_connect (provider,
"parsing-error",
G_CALLBACK (show_parsing_error),

22
demos/gtk-demo/css_basics.css Normal file
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@ -0,0 +1,22 @@
/* You can edit the text in this window to change the
* appearance of this Window.
* Be careful, if you screw it up, nothing might be visible
* anymore. :)
*/
/* This CSS resets all properties to their defaults values
* and overrides all user settings and the theme in use */
@import url("reset.css");
/* Set a very futuristic style by default */
* {
color: green;
font-family: Monospace;
border: 1px solid;
}
/* Make sure selections are visible */
:selected {
background-color: darkGreen;
color: black;
}

12
demos/gtk-demo/demo.gresource.xml
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@ -8,4 +8,16 @@
<file preprocess="xml-stripblanks">application.ui</file>
<file preprocess="xml-stripblanks">menus.ui</file>
</gresource>
<gresource prefix="/">
<file>reset.css</file>
</gresource>
<gresource prefix="/css_basics">
<file alias="gtk.css">css_basics.css</file>
</gresource>
<gresource prefix="/theming_custom_css">
<file alias="gtk.css">fancy.css</file>
</gresource>
<gresource prefix="/theming_style_classes">
<file preprocess="xml-stripblanks">theming.ui</file>
</gresource>
</gresources>

68
demos/gtk-demo/reset.css Normal file
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@ -0,0 +1,68 @@
/* @import this colorsheet to get the default values for every property.
* This is useful when writing special CSS tests that should not be
* inluenced by themes - not even the default ones.
* Keep in mind that the output will be very ugly and not look like
* anything GTK.
* Also, when adding new style properties, please add them here.
*/
* {
color: inherit;
font-size: inherit;
background-color: initial;
font-family: inherit;
font-style: inherit;
font-variant: inherit;
font-weight: inherit;
text-shadow: inherit;
icon-shadow: inherit;
box-shadow: initial;
margin-top: initial;
margin-left: initial;
margin-bottom: initial;
margin-right: initial;
padding-top: initial;
padding-left: initial;
padding-bottom: initial;
padding-right: initial;
border-top-style: initial;
border-top-width: initial;
border-left-style: initial;
border-left-width: initial;
border-bottom-style: initial;
border-bottom-width: initial;
border-right-style: initial;
border-right-width: initial;
border-top-left-radius: initial;
border-top-right-radius: initial;
border-bottom-right-radius: initial;
border-bottom-left-radius: initial;
outline-style: initial;
outline-width: initial;
outline-offset: initial;
background-clip: initial;
background-origin: initial;
background-size: initial;
background-position: initial;
border-top-color: initial;
border-right-color: initial;
border-bottom-color: initial;
border-left-color: initial;
outline-color: initial;
background-repeat: initial;
background-image: initial;
border-image-source: initial;
border-image-repeat: initial;
border-image-slice: initial;
border-image-width: initial;
transition-property: initial;
transition-duration: initial;
transition-timing-function: initial;
transition-delay: initial;
engine: initial;
gtk-key-bindings: initial;
-GtkWidget-focus-line-width: 0;
-GtkWidget-focus-padding: 0;
-GtkNotebook-initial-gap: 0;
}

9
demos/gtk-demo/theming_custom_css.c
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@ -20,7 +20,7 @@ do_theming_custom_css (GtkWidget *do_widget)
GtkWidget *box;
GtkWidget *button;
GtkCssProvider *provider;
gchar *filename;
GBytes *bytes;
if (!window)
{
@ -40,13 +40,14 @@ do_theming_custom_css (GtkWidget *do_widget)
gtk_widget_set_name (button, "fancy");
provider = gtk_css_provider_new ();
filename = demo_find_file ("fancy.css", NULL);
gtk_css_provider_load_from_path (provider, filename, NULL);
bytes = g_resources_lookup_data ("/theming_custom_css/gtk.css", 0, NULL);
gtk_css_provider_load_from_data (provider, g_bytes_get_data (bytes, NULL),
g_bytes_get_size (bytes), NULL);
gtk_style_context_add_provider_for_screen (gtk_widget_get_screen (do_widget),
GTK_STYLE_PROVIDER (provider),
GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
g_object_unref (provider);
g_free (filename);
g_bytes_unref (bytes);
gtk_widget_show_all (box);
}

5
demos/gtk-demo/theming_style_classes.c
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@ -18,7 +18,6 @@ do_theming_style_classes (GtkWidget *do_widget)
{
GtkWidget *grid;
GtkBuilder *builder;
gchar *filename;
GError *err = NULL;
if (!window)
@ -32,9 +31,7 @@ do_theming_style_classes (GtkWidget *do_widget)
G_CALLBACK (gtk_widget_destroyed), &window);
builder = gtk_builder_new ();
filename = demo_find_file ("theming.ui", NULL);
gtk_builder_add_from_file (builder, filename, &err);
g_free (filename);
gtk_builder_add_from_resource (builder, "/theming_style_classes/theming.ui", NULL);
if (err)
{
g_error ("ERROR: %s\n", err->message);