forked from AuroraMiddleware/gtk
switch: Use GtkLabels for on/off labels
This commit is contained in:
Timm Bäder
parent
42f1ff0123
commit
b2b4d9e418
126
gtk/gtkswitch.c
126
gtk/gtkswitch.c
@ -67,6 +67,7 @@
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#include "gtkcssnumbervalueprivate.h"
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#include "gtkprogresstrackerprivate.h"
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#include "gtksettingsprivate.h"
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#include "gtkcontainerprivate.h"
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#include "fallback-c89.c"
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@ -80,8 +81,6 @@ struct _GtkSwitchPrivate
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GtkCssGadget *gadget;
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GtkCssGadget *slider_gadget;
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PangoLayout *off_layout;
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PangoLayout *on_layout;
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double handle_pos;
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guint tick_id;
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@ -90,6 +89,9 @@ struct _GtkSwitchPrivate
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guint state : 1;
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guint is_active : 1;
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guint in_switch : 1;
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GtkWidget *on_label;
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GtkWidget *off_label;
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};
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enum
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@ -279,51 +281,6 @@ gtk_switch_pan_gesture_drag_end (GtkGestureDrag *gesture,
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gtk_widget_queue_allocate (GTK_WIDGET (sw));
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}
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static void
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gtk_switch_create_pango_layouts (GtkSwitch *self)
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{
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GtkSwitchPrivate *priv = self->priv;
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g_clear_object (&priv->on_layout);
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/* Translators: if the "on" state label requires more than three
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* glyphs then use MEDIUM VERTICAL BAR (U+2759) as the text for
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* the state
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*/
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priv->on_layout = gtk_widget_create_pango_layout (GTK_WIDGET (self), C_("switch", "ON"));
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g_clear_object (&priv->off_layout);
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/* Translators: if the "off" state label requires more than three
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* glyphs then use WHITE CIRCLE (U+25CB) as the text for the state
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*/
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priv->off_layout = gtk_widget_create_pango_layout (GTK_WIDGET (self), C_("switch", "OFF"));
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}
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static void
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gtk_switch_screen_changed (GtkWidget *widget,
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GdkScreen *prev_screen)
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{
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gtk_switch_create_pango_layouts (GTK_SWITCH (widget));
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}
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static void
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gtk_switch_style_updated (GtkWidget *widget)
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{
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GtkSwitch *self = GTK_SWITCH (widget);
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GtkStyleContext *context;
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GtkCssStyleChange *change;
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GTK_WIDGET_CLASS (gtk_switch_parent_class)->style_updated (widget);
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context = gtk_widget_get_style_context (widget);
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change = gtk_style_context_get_change (context);
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if (change == NULL || gtk_css_style_change_affects (change, GTK_CSS_AFFECTS_FONT))
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gtk_switch_create_pango_layouts (self);
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}
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static gboolean
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gtk_switch_enter (GtkWidget *widget,
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GdkEventCrossing *event)
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@ -374,7 +331,7 @@ gtk_switch_get_content_size (GtkCssGadget *gadget,
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GtkSwitch *self;
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GtkSwitchPrivate *priv;
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gint slider_minimum, slider_natural;
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PangoRectangle on_rect, off_rect;
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int on_nat, off_nat;
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widget = gtk_css_gadget_get_owner (gadget);
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self = GTK_SWITCH (widget);
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@ -386,18 +343,18 @@ gtk_switch_get_content_size (GtkCssGadget *gadget,
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&slider_minimum, &slider_natural,
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NULL, NULL);
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pango_layout_get_pixel_extents (priv->on_layout, NULL, &on_rect);
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pango_layout_get_pixel_extents (priv->off_layout, NULL, &off_rect);
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gtk_widget_measure (priv->on_label, orientation, for_size, NULL, &on_nat, NULL, NULL);
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gtk_widget_measure (priv->off_label, orientation, for_size, NULL, &off_nat, NULL, NULL);
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if (orientation == GTK_ORIENTATION_HORIZONTAL)
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{
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int text_width = MAX (on_rect.width, off_rect.width);
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int text_width = MAX (on_nat, off_nat);
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*minimum = 2 * MAX (slider_minimum, text_width);
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*natural = 2 * MAX (slider_natural, text_width);
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}
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else
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{
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int text_height = MAX (on_rect.height, off_rect.height);
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int text_height = MAX (on_nat, off_nat);
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*minimum = MAX (slider_minimum, text_height);
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*natural = MAX (slider_natural, text_height);
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}
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@ -428,8 +385,10 @@ gtk_switch_allocate_contents (GtkCssGadget *gadget,
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{
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GtkSwitch *self = GTK_SWITCH (gtk_css_gadget_get_owner (gadget));
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GtkSwitchPrivate *priv = self->priv;
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GtkAllocation child_alloc;
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GtkAllocation slider_alloc;
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int min;
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slider_alloc.x = allocation->x + round (priv->handle_pos * (allocation->width - allocation->width / 2));
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slider_alloc.y = allocation->y;
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slider_alloc.width = allocation->width / 2;
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@ -440,6 +399,26 @@ gtk_switch_allocate_contents (GtkCssGadget *gadget,
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baseline,
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out_clip);
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/* Center ON label in left half */
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gtk_widget_measure (priv->on_label, GTK_ORIENTATION_HORIZONTAL, -1, &min, NULL, NULL, NULL);
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child_alloc.x = allocation->x + ((allocation->width / 2) - min) / 2;
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child_alloc.width = min;
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gtk_widget_measure (priv->on_label, GTK_ORIENTATION_VERTICAL, min, &min, NULL, NULL, NULL);
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child_alloc.y = allocation->y + (allocation->height - min) / 2;
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child_alloc.height = min;
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gtk_widget_size_allocate (priv->on_label, &child_alloc);
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/* Center OFF label in right half */
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gtk_widget_measure (priv->off_label, GTK_ORIENTATION_HORIZONTAL, -1, &min, NULL, NULL, NULL);
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child_alloc.x = allocation->x + (allocation->width / 2) + ((allocation->width / 2) - min) / 2;
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child_alloc.width = min;
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gtk_widget_measure (priv->off_label, GTK_ORIENTATION_VERTICAL, min, &min, NULL, NULL, NULL);
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child_alloc.y = allocation->y + (allocation->height - min) / 2;
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child_alloc.height = min;
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gtk_widget_size_allocate (priv->off_label, &child_alloc);
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if (gtk_widget_get_realized (GTK_WIDGET (self)))
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{
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GtkAllocation border_allocation;
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@ -475,7 +454,8 @@ gtk_switch_realize (GtkWidget *widget)
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GdkWindow *parent_window;
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GtkAllocation allocation;
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gtk_widget_set_realized (widget, TRUE);
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GTK_WIDGET_CLASS (gtk_switch_parent_class)->realize (widget);
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parent_window = gtk_widget_get_parent_window (widget);
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gtk_widget_set_window (widget, parent_window);
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g_object_ref (parent_window);
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@ -554,23 +534,9 @@ gtk_switch_snapshot_trough (GtkCssGadget *gadget,
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{
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GtkWidget *widget = gtk_css_gadget_get_owner (gadget);
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GtkSwitchPrivate *priv = GTK_SWITCH (widget)->priv;
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GtkStyleContext *context = gtk_widget_get_style_context (widget);
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PangoRectangle rect;
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gint label_x, label_y;
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pango_layout_get_pixel_extents (priv->on_layout, NULL, &rect);
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label_x = x + ((width / 2) - rect.width) / 2;
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label_y = y + (height - rect.height) / 2;
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gtk_snapshot_render_layout (snapshot, context, label_x, label_y, priv->on_layout);
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pango_layout_get_pixel_extents (priv->off_layout, NULL, &rect);
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label_x = x + (width / 2) + ((width / 2) - rect.width) / 2;
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label_y = y + (height - rect.height) / 2;
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gtk_snapshot_render_layout (snapshot, context, label_x, label_y, priv->off_layout);
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gtk_widget_snapshot_child (widget, priv->on_label, snapshot);
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gtk_widget_snapshot_child (widget, priv->off_label, snapshot);
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gtk_css_gadget_snapshot (priv->slider_gadget, snapshot);
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@ -707,9 +673,6 @@ gtk_switch_dispose (GObject *object)
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g_clear_object (&priv->pan_gesture);
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g_clear_object (&priv->multipress_gesture);
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g_clear_object (&priv->on_layout);
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g_clear_object (&priv->off_layout);
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G_OBJECT_CLASS (gtk_switch_parent_class)->dispose (object);
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}
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@ -781,8 +744,6 @@ gtk_switch_class_init (GtkSwitchClass *klass)
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widget_class->snapshot = gtk_switch_snapshot;
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widget_class->enter_notify_event = gtk_switch_enter;
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widget_class->leave_notify_event = gtk_switch_leave;
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widget_class->screen_changed = gtk_switch_screen_changed;
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widget_class->style_updated = gtk_switch_style_updated;
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klass->activate = gtk_switch_activate;
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klass->state_set = state_set;
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@ -902,7 +863,20 @@ gtk_switch_init (GtkSwitch *self)
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GTK_PHASE_BUBBLE);
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priv->pan_gesture = gesture;
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gtk_switch_create_pango_layouts (self);
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/* Translators: if the "on" state label requires more than three
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* glyphs then use MEDIUM VERTICAL BAR (U+2759) as the text for
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* the state
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*/
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priv->on_label = gtk_label_new (C_("switch", "ON"));
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gtk_widget_set_parent (priv->on_label, GTK_WIDGET (self));
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gtk_widget_show (priv->on_label);
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/* Translators: if the "off" state label requires more than three
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* glyphs then use WHITE CIRCLE (U+25CB) as the text for the state
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*/
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priv->off_label = gtk_label_new (C_("switch", "OFF"));
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gtk_widget_set_parent (priv->off_label, GTK_WIDGET (self));
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gtk_widget_show (priv->off_label);
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}
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/**
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