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widget-factory: Add a scale button

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Instead of two volume buttons, make the second one a scale button
and use microphones.
This commit is contained in:
Matthias Clasen 2014-10-02 21:42:08 -04:00
parent 59637c95a6
commit 5b36bd704b
2 changed files with 64 additions and 2 deletions
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56
demos/widget-factory/widget-factory.c
View File

@ -19,6 +19,7 @@
*/
#include "config.h"
#include <glib/gi18n.h>
#include <gtk/gtk.h>
static void
@ -234,7 +235,59 @@ on_entry_icon_release (GtkEntry *entry,
pulse_it (GTK_WIDGET (entry));
}
}
}
#define EPSILON (1e-10)
static gboolean
on_scale_button_query_tooltip (GtkWidget *button,
gint x,
gint y,
gboolean keyboard_mode,
GtkTooltip *tooltip,
gpointer user_data)
{
GtkScaleButton *scale_button = GTK_SCALE_BUTTON (button);
GtkAdjustment *adjustment;
gdouble val;
gchar *str;
AtkImage *image;
image = ATK_IMAGE (gtk_widget_get_accessible (button));
adjustment = gtk_scale_button_get_adjustment (scale_button);
val = gtk_scale_button_get_value (scale_button);
if (val < (gtk_adjustment_get_lower (adjustment) + EPSILON))
{
str = g_strdup (_("Muted"));
}
else if (val >= (gtk_adjustment_get_upper (adjustment) - EPSILON))
{
str = g_strdup (_("Full Volume"));
}
else
{
gint percent;
percent = (gint) (100. * val / (gtk_adjustment_get_upper (adjustment) - gtk_adjustment_get_lower (adjustment)) + .5);
str = g_strdup_printf (C_("volume percentage", "%d %%"), percent);
}
gtk_tooltip_set_text (tooltip, str);
atk_image_set_image_description (image, str);
g_free (str);
return TRUE;
}
static void
on_scale_button_value_changed (GtkScaleButton *button,
gdouble value,
gpointer user_data)
{
gtk_widget_trigger_tooltip_query (GTK_WIDGET (button));
}
static void
@ -819,6 +872,9 @@ activate (GApplication *app)
builder = gtk_builder_new_from_resource ("/org/gtk/WidgetFactory/widget-factory.ui");
gtk_builder_add_callback_symbol (builder, "on_entry_icon_release", (GCallback)on_entry_icon_release);
gtk_builder_add_callback_symbol (builder, "on_scale_button_value_changed", (GCallback)on_scale_button_value_changed);
gtk_builder_add_callback_symbol (builder, "on_scale_button_query_tooltip", (GCallback)on_scale_button_query_tooltip);
gtk_builder_connect_signals (builder, NULL);
window = (GtkWindow *)gtk_builder_get_object (builder, "window");

10
demos/widget-factory/widget-factory.ui
View File

@ -2069,13 +2069,19 @@ Suspendisse feugiat quam quis dolor accumsan cursus. </property>
</packing>
</child>
<child>
<object class="GtkVolumeButton">
<object class="GtkScaleButton" id="mic-button">
<property name="visible">True</property>
<property name="has-tooltip">True</property>
<property name="orientation">horizontal</property>
<property name="icons">microphone-sensitivity-muted-symbolic
microphone-sensitivity-high-symbolic
microphone-sensitivity-low-symbolic
microphone-sensitivity-medium-symbolic</property>
<property name="valign">center</property>
<property name="use-symbolic">True</property>
<property name="value">.5</property>
<property name="halign">center</property>
<signal name="query-tooltip" handler="on_scale_button_query_tooltip" swapped="no"/>
<signal name="value-changed" handler="on_scale_button_value_changed" swapped="no"/>
</object>
<packing>
<property name="left-attach">0</property>