gtk-demo: Add GtkPopovers demo

In this demo several widget create popovers with different complexities,
positions, and grabbing behavior.
This commit is contained in:
Carlos Garnacho 2013-11-08 16:12:10 +01:00
parent bb7ef098c4
commit 695b979b10
4 changed files with 291 additions and 0 deletions

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@ -41,6 +41,7 @@ demos = \
panes.c \
pickers.c \
pixbufs.c \
popover.c \
printing.c \
revealer.c \
rotated_text.c \

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@ -110,6 +110,7 @@
<file>panes.c</file>
<file>pickers.c</file>
<file>pixbufs.c</file>
<file>popover.c</file>
<file>printing.c</file>
<file>revealer.c</file>
<file>rotated_text.c</file>
@ -133,4 +134,7 @@
<file>messages.txt</file>
<file>apple-red.png</file>
</gresource>
<gresource prefix="/popover">
<file>popover.ui</file>
</gresource>
</gresources>

183
demos/gtk-demo/popover.c Normal file
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@ -0,0 +1,183 @@
/* Popovers
*
* A bubble-like window containing contextual information or options.
* GtkPopovers can be attached to any widget, and will be displayed
* within the same window, but on top of all its content.
*/
#include <gtk/gtk.h>
static void
toggle_changed_cb (GtkToggleButton *button,
GtkWidget *popover)
{
gtk_widget_set_visible (popover,
gtk_toggle_button_get_active (button));
}
static GtkWidget *
create_popover (GtkWidget *parent,
GtkWidget *child,
GtkPositionType pos)
{
GtkWidget *popover;
popover = gtk_popover_new (parent);
gtk_popover_set_position (GTK_POPOVER (popover), pos);
gtk_container_add (GTK_CONTAINER (popover), child);
gtk_container_set_border_width (GTK_CONTAINER (popover), 6);
gtk_widget_show (child);
return popover;
}
static GtkWidget *
create_complex_popover (GtkWidget *parent,
GtkPositionType pos)
{
GtkWidget *popover, *content;
GtkBuilder *builder;
builder = gtk_builder_new ();
gtk_builder_add_from_resource (builder, "/popover/popover.ui", NULL);
content = GTK_WIDGET (gtk_builder_get_object (builder, "box"));
g_object_ref (content);
gtk_widget_unparent (content);
g_object_unref (builder);
popover = create_popover (parent, content, GTK_POS_BOTTOM);
g_object_unref (content);
gtk_widget_set_size_request (popover, 200, -1);
gtk_widget_set_vexpand (popover, TRUE);
gtk_widget_set_margin_start (popover, 10);
gtk_widget_set_margin_end (popover, 10);
gtk_widget_set_margin_bottom (popover, 10);
return popover;
}
static void
entry_size_allocate_cb (GtkEntry *entry,
GtkAllocation *allocation,
gpointer user_data)
{
GtkEntryIconPosition popover_pos;
GtkPopover *popover = user_data;
cairo_rectangle_int_t rect;
if (gtk_widget_is_visible (GTK_WIDGET (popover)))
{
popover_pos =
GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (entry),
"popover-icon-pos"));
gtk_entry_get_icon_area (entry, popover_pos, &rect);
gtk_popover_set_pointing_to (GTK_POPOVER (popover), &rect);
}
}
static void
entry_icon_press_cb (GtkEntry *entry,
GtkEntryIconPosition icon_pos,
GdkEvent *event,
gpointer user_data)
{
GtkWidget *popover = user_data;
cairo_rectangle_int_t rect;
gtk_entry_get_icon_area (entry, icon_pos, &rect);
gtk_popover_set_pointing_to (GTK_POPOVER (popover), &rect);
gtk_widget_show (popover);
gtk_grab_add (popover);
g_object_set_data (G_OBJECT (entry), "popover-icon-pos",
GUINT_TO_POINTER (icon_pos));
}
static void
day_selected_cb (GtkCalendar *calendar,
gpointer user_data)
{
cairo_rectangle_int_t rect;
GtkAllocation allocation;
GtkWidget *popover;
GdkEvent *event;
event = gtk_get_current_event ();
if (event->type != GDK_BUTTON_PRESS)
return;
gdk_window_coords_to_parent (event->button.window,
event->button.x, event->button.y,
&event->button.x, &event->button.y);
gtk_widget_get_allocation (GTK_WIDGET (calendar), &allocation);
rect.x = event->button.x - allocation.x;
rect.y = event->button.y - allocation.y;
rect.width = rect.height = 1;
popover = create_popover (GTK_WIDGET (calendar),
gtk_entry_new (),
GTK_POS_BOTTOM);
gtk_popover_set_pointing_to (GTK_POPOVER (popover), &rect);
gtk_widget_show (popover);
gtk_grab_add (popover);
gdk_event_free (event);
}
GtkWidget *
do_popover (GtkWidget *do_widget)
{
static GtkWidget *window = NULL;
GtkWidget *popover, *box, *widget;
if (!window)
{
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 24);
gtk_container_set_border_width (GTK_CONTAINER (box), 24);
gtk_container_add (GTK_CONTAINER (window), box);
g_signal_connect (window, "destroy",
G_CALLBACK (gtk_widget_destroyed), &window);
widget = gtk_toggle_button_new_with_label ("Button");
popover = create_popover (widget,
gtk_label_new ("This popover does not grab input"),
GTK_POS_TOP);
g_signal_connect (widget, "toggled",
G_CALLBACK (toggle_changed_cb), popover);
gtk_container_add (GTK_CONTAINER (box), widget);
widget = gtk_entry_new ();
popover = create_complex_popover (widget, GTK_POS_TOP);
gtk_entry_set_icon_from_icon_name (GTK_ENTRY (widget),
GTK_ENTRY_ICON_PRIMARY, "edit-find");
gtk_entry_set_icon_from_icon_name (GTK_ENTRY (widget),
GTK_ENTRY_ICON_SECONDARY, "edit-clear");
g_signal_connect (widget, "icon-press",
G_CALLBACK (entry_icon_press_cb), popover);
g_signal_connect (widget, "size-allocate",
G_CALLBACK (entry_size_allocate_cb), popover);
gtk_container_add (GTK_CONTAINER (box), widget);
widget = gtk_calendar_new ();
g_signal_connect (widget, "day-selected",
G_CALLBACK (day_selected_cb), NULL);
gtk_container_add (GTK_CONTAINER (box), widget);
}
if (!gtk_widget_get_visible (window))
gtk_widget_show_all (window);
else
{
gtk_widget_destroy (window);
window = NULL;
}
return window;
}

103
demos/gtk-demo/popover.ui Normal file
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@ -0,0 +1,103 @@
<?xml version="1.0" encoding="UTF-8"?>
<!-- Generated with glade 3.16.0 on Wed Nov 13 16:45:55 2013 -->
<interface>
<!-- interface-requires gtk+ 3.10 -->
<object class="GtkListStore" id="liststore1">
<columns>
<!-- column-name Name -->
<column type="gchararray"/>
</columns>
<data>
<row>
<col id="0" translatable="yes">Item 1</col>
</row>
<row>
<col id="0" translatable="yes">Item 2</col>
</row>
<row>
<col id="0" translatable="yes">Item 3</col>
</row>
<row>
<col id="0" translatable="yes">Item 4</col>
</row>
<row>
<col id="0" translatable="yes">Item 5</col>
</row>
<row>
<col id="0" translatable="yes">Item 6</col>
</row>
<row>
<col id="0" translatable="yes">Item 7</col>
</row>
<row>
<col id="0" translatable="yes">Item 8</col>
</row>
<row>
<col id="0" translatable="yes">Item 9</col>
</row>
<row>
<col id="0" translatable="yes">Item 10</col>
</row>
</data>
</object>
<object class="GtkWindow" id="window1">
<property name="can_focus">False</property>
<child>
<object class="GtkBox" id="box">
<property name="visible">True</property>
<property name="can_focus">False</property>
<property name="orientation">vertical</property>
<property name="spacing">6</property>
<child>
<object class="GtkEntry" id="entry1">
<property name="visible">True</property>
<property name="can_focus">True</property>
<property name="primary_icon_name">edit-find</property>
<property name="secondary_icon_name">edit-clear</property>
</object>
<packing>
<property name="expand">False</property>
<property name="fill">True</property>
<property name="position">0</property>
</packing>
</child>
<child>
<object class="GtkScrolledWindow" id="scrolledwindow1">
<property name="visible">True</property>
<property name="can_focus">True</property>
<property name="shadow_type">in</property>
<child>
<object class="GtkTreeView" id="treeview1">
<property name="visible">True</property>
<property name="can_focus">True</property>
<property name="vexpand">True</property>
<property name="model">liststore1</property>
<property name="headers_visible">False</property>
<property name="enable_search">False</property>
<property name="search_column">2</property>
<child internal-child="selection">
<object class="GtkTreeSelection" id="treeview-selection1"/>
</child>
<child>
<object class="GtkTreeViewColumn" id="column1">
<child>
<object class="GtkCellRendererText" id="cellrenderer1"/>
<attributes>
<attribute name="text">0</attribute>
</attributes>
</child>
</object>
</child>
</object>
</child>
</object>
<packing>
<property name="expand">False</property>
<property name="fill">True</property>
<property name="position">1</property>
</packing>
</child>
</object>
</child>
</object>
</interface>