gtk2/tests/testtooltips.c

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/* testtooltips.c: Test application for GTK+ >= 2.12 tooltips code
*
* Copyright (C) 2006-2007 Imendio AB
* Contact: Kristian Rietveld <kris@imendio.com>
*
* This work is provided "as is"; redistribution and modification
* in whole or in part, in any medium, physical or electronic is
* permitted without restriction.
*
* This work is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* In no event shall the authors or contributors be liable for any
* direct, indirect, incidental, special, exemplary, or consequential
* damages (including, but not limited to, procurement of substitute
* goods or services; loss of use, data, or profits; or business
* interruption) however caused and on any theory of liability, whether
* in contract, strict liability, or tort (including negligence or
* otherwise) arising in any way out of the use of this software, even
* if advised of the possibility of such damage.
*/
#include <gtk/gtk.h>
typedef struct _MyTooltip MyTooltip;
typedef struct _MyTooltipClass MyTooltipClass;
struct _MyTooltip
{
GtkBin parent_instance;
};
struct _MyTooltipClass
{
GtkBinClass parent_class;
};
G_DEFINE_TYPE (MyTooltip, my_tooltip, GTK_TYPE_BIN)
static void
my_tooltip_init (MyTooltip *tt)
{
GtkWidget *label = gtk_label_new ("Some text in a tooltip");
gtk_container_add (GTK_CONTAINER (tt), label);
gtk_style_context_add_class (gtk_widget_get_style_context (GTK_WIDGET (tt)), "background");
}
static void
my_tooltip_class_init (MyTooltipClass *tt_class)
{
gtk_widget_class_set_css_name (GTK_WIDGET_CLASS (tt_class), "tooltip");
}
static gboolean
query_tooltip_cb (GtkWidget *widget,
gint x,
gint y,
gboolean keyboard_tip,
GtkTooltip *tooltip,
gpointer data)
{
gtk_tooltip_set_markup (tooltip, gtk_button_get_label (GTK_BUTTON (widget)));
gtk_tooltip_set_icon_from_icon_name (tooltip, "edit-delete",
GTK_ICON_SIZE_MENU);
return TRUE;
}
static gboolean
query_tooltip_custom_cb (GtkWidget *widget,
gint x,
gint y,
gboolean keyboard_tip,
GtkTooltip *tooltip,
gpointer data)
{
return TRUE;
}
static gboolean
query_tooltip_text_view_cb (GtkWidget *widget,
gint x,
gint y,
gboolean keyboard_tip,
GtkTooltip *tooltip,
gpointer data)
{
GtkTextTag *tag = data;
GtkTextIter iter;
GtkTextView *text_view = GTK_TEXT_VIEW (widget);
GtkTextBuffer *buffer = gtk_text_view_get_buffer (text_view);
if (keyboard_tip)
{
gint offset;
g_object_get (buffer, "cursor-position", &offset, NULL);
gtk_text_buffer_get_iter_at_offset (buffer, &iter, offset);
}
else
{
gint bx, by, trailing;
gtk_text_view_window_to_buffer_coords (text_view, GTK_TEXT_WINDOW_TEXT,
x, y, &bx, &by);
gtk_text_view_get_iter_at_position (text_view, &iter, &trailing, bx, by);
}
if (gtk_text_iter_has_tag (&iter, tag))
gtk_tooltip_set_text (tooltip, "Tooltip on text tag");
else
return FALSE;
return TRUE;
}
static gboolean
query_tooltip_tree_view_cb (GtkWidget *widget,
gint x,
gint y,
gboolean keyboard_tip,
GtkTooltip *tooltip,
gpointer data)
{
GtkTreeIter iter;
GtkTreeView *tree_view = GTK_TREE_VIEW (widget);
GtkTreeModel *model = gtk_tree_view_get_model (tree_view);
GtkTreePath *path = NULL;
gchar *tmp;
gchar *pathstring;
char buffer[512];
if (!gtk_tree_view_get_tooltip_context (tree_view, &x, &y,
keyboard_tip,
&model, &path, &iter))
return FALSE;
gtk_tree_model_get (model, &iter, 0, &tmp, -1);
pathstring = gtk_tree_path_to_string (path);
g_snprintf (buffer, 511, "<b>Path %s:</b> %s", pathstring, tmp);
gtk_tooltip_set_markup (tooltip, buffer);
gtk_tree_view_set_tooltip_row (tree_view, tooltip, path);
gtk_tree_path_free (path);
g_free (pathstring);
g_free (tmp);
return TRUE;
}
static GtkTreeModel *
create_model (void)
{
GtkTreeStore *store;
GtkTreeIter iter;
store = gtk_tree_store_new (1, G_TYPE_STRING);
/* A tree store with some random words ... */
gtk_tree_store_insert_with_values (store, &iter, NULL, 0,
0, "File Manager", -1);
gtk_tree_store_insert_with_values (store, &iter, NULL, 0,
0, "Gossip", -1);
gtk_tree_store_insert_with_values (store, &iter, NULL, 0,
0, "System Settings", -1);
gtk_tree_store_insert_with_values (store, &iter, NULL, 0,
0, "The GIMP", -1);
gtk_tree_store_insert_with_values (store, &iter, NULL, 0,
0, "Terminal", -1);
gtk_tree_store_insert_with_values (store, &iter, NULL, 0,
0, "Word Processor", -1);
return GTK_TREE_MODEL (store);
}
static void
selection_changed_cb (GtkTreeSelection *selection,
GtkWidget *tree_view)
{
gtk_widget_trigger_tooltip_query (tree_view);
}
static struct Rectangle
{
gint x;
gint y;
gfloat r;
gfloat g;
gfloat b;
const char *tooltip;
}
rectangles[] =
{
{ 10, 10, 0.0, 0.0, 0.9, "Blue box!" },
{ 200, 170, 1.0, 0.0, 0.0, "Red thing" },
{ 100, 50, 0.8, 0.8, 0.0, "Yellow thing" }
};
static gboolean
query_tooltip_drawing_area_cb (GtkWidget *widget,
gint x,
gint y,
gboolean keyboard_tip,
GtkTooltip *tooltip,
gpointer data)
{
gint i;
if (keyboard_tip)
return FALSE;
for (i = 0; i < G_N_ELEMENTS (rectangles); i++)
{
struct Rectangle *r = &rectangles[i];
if (r->x < x && x < r->x + 50
&& r->y < y && y < r->y + 50)
{
gtk_tooltip_set_markup (tooltip, r->tooltip);
return TRUE;
}
}
return FALSE;
}
static void
drawing_area_draw (GtkDrawingArea *drawing_area,
cairo_t *cr,
int width,
int height,
gpointer data)
{
gint i;
cairo_set_source_rgb (cr, 1.0, 1.0, 1.0);
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cairo_paint (cr);
for (i = 0; i < G_N_ELEMENTS (rectangles); i++)
{
struct Rectangle *r = &rectangles[i];
cairo_rectangle (cr, r->x, r->y, 50, 50);
cairo_set_source_rgb (cr, r->r, r->g, r->b);
cairo_stroke (cr);
cairo_rectangle (cr, r->x, r->y, 50, 50);
cairo_set_source_rgba (cr, r->r, r->g, r->b, 0.5);
cairo_fill (cr);
}
}
static gboolean
query_tooltip_label_cb (GtkWidget *widget,
gint x,
gint y,
gboolean keyboard_tip,
GtkTooltip *tooltip,
gpointer data)
{
GtkWidget *custom = data;
gtk_tooltip_set_custom (tooltip, custom);
return TRUE;
}
int
main (int argc, char *argv[])
{
GtkWidget *window;
GtkWidget *box;
GtkWidget *drawing_area;
GtkWidget *button;
GtkWidget *label;
GtkWidget *tooltip;
GtkWidget *tooltip_window;
GtkWidget *tooltip_button;
GtkWidget *tree_view;
GtkTreeViewColumn *column;
GtkWidget *text_view;
GtkTextBuffer *buffer;
GtkTextIter iter;
GtkTextTag *tag;
gchar *text, *markup;
gtk_init ();
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_title (GTK_WINDOW (window), "Tooltips test");
g_signal_connect (window, "delete_event",
G_CALLBACK (gtk_main_quit), NULL);
box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 3);
gtk_container_add (GTK_CONTAINER (window), box);
tooltip = g_object_new (my_tooltip_get_type (), NULL);
gtk_widget_set_margin_top (tooltip, 20);
gtk_widget_set_margin_bottom (tooltip, 20);
gtk_widget_set_halign (tooltip, GTK_ALIGN_CENTER);
gtk_container_add (GTK_CONTAINER (box), tooltip);
/* A check button using the tooltip-markup property */
button = gtk_check_button_new_with_label ("This one uses the tooltip-markup property");
gtk_widget_set_tooltip_text (button, "Hello, I am a static tooltip.");
gtk_box_pack_start (GTK_BOX (box), button);
text = gtk_widget_get_tooltip_text (button);
markup = gtk_widget_get_tooltip_markup (button);
g_assert (g_str_equal ("Hello, I am a static tooltip.", text));
g_assert (g_str_equal ("Hello, I am a static tooltip.", markup));
g_free (text); g_free (markup);
/* A check button using the query-tooltip signal */
button = gtk_check_button_new_with_label ("I use the query-tooltip signal");
g_object_set (button, "has-tooltip", TRUE, NULL);
g_signal_connect (button, "query-tooltip",
G_CALLBACK (query_tooltip_cb), NULL);
gtk_box_pack_start (GTK_BOX (box), button);
/* A label */
button = gtk_label_new ("I am just a label");
gtk_label_set_selectable (GTK_LABEL (button), FALSE);
gtk_widget_set_tooltip_text (button, "Label & and tooltip");
gtk_box_pack_start (GTK_BOX (box), button);
text = gtk_widget_get_tooltip_text (button);
markup = gtk_widget_get_tooltip_markup (button);
g_assert (g_str_equal ("Label & and tooltip", text));
g_assert (g_str_equal ("Label &amp; and tooltip", markup));
g_free (text); g_free (markup);
/* A selectable label */
button = gtk_label_new ("I am a selectable label");
gtk_label_set_selectable (GTK_LABEL (button), TRUE);
gtk_widget_set_tooltip_markup (button, "<b>Another</b> Label tooltip");
gtk_box_pack_start (GTK_BOX (box), button);
text = gtk_widget_get_tooltip_text (button);
markup = gtk_widget_get_tooltip_markup (button);
g_assert (g_str_equal ("Another Label tooltip", text));
g_assert (g_str_equal ("<b>Another</b> Label tooltip", markup));
g_free (text); g_free (markup);
/* Another one, with a custom tooltip window */
button = gtk_check_button_new_with_label ("This one has a custom tooltip window!");
gtk_box_pack_start (GTK_BOX (box), button);
tooltip_window = gtk_window_new (GTK_WINDOW_POPUP);
tooltip_button = gtk_label_new ("blaat!");
gtk_container_add (GTK_CONTAINER (tooltip_window), tooltip_button);
gtk_widget_show (tooltip_button);
gtk_widget_set_tooltip_window (button, GTK_WINDOW (tooltip_window));
gtk_window_set_type_hint (GTK_WINDOW (tooltip_window),
GDK_WINDOW_TYPE_HINT_TOOLTIP);
gtk_window_set_transient_for (GTK_WINDOW (tooltip_window),
GTK_WINDOW (window));
g_signal_connect (button, "query-tooltip",
G_CALLBACK (query_tooltip_custom_cb), NULL);
g_object_set (button, "has-tooltip", TRUE, NULL);
/* An insensitive button */
button = gtk_button_new_with_label ("This one is insensitive");
gtk_widget_set_sensitive (button, FALSE);
g_object_set (button, "tooltip-text", "Insensitive!", NULL);
gtk_box_pack_start (GTK_BOX (box), button);
/* Testcases from Kris without a tree view don't exist. */
tree_view = gtk_tree_view_new_with_model (create_model ());
gtk_widget_set_size_request (tree_view, 200, 240);
gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
0, "Test",
gtk_cell_renderer_text_new (),
"text", 0,
NULL);
g_object_set (tree_view, "has-tooltip", TRUE, NULL);
g_signal_connect (tree_view, "query-tooltip",
G_CALLBACK (query_tooltip_tree_view_cb), NULL);
g_signal_connect (gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view)),
"changed", G_CALLBACK (selection_changed_cb), tree_view);
/* Set a tooltip on the column */
column = gtk_tree_view_get_column (GTK_TREE_VIEW (tree_view), 0);
gtk_tree_view_column_set_clickable (column, TRUE);
g_object_set (gtk_tree_view_column_get_button (column), "tooltip-text", "Header", NULL);
gtk_box_pack_start (GTK_BOX (box), tree_view);
/* And a text view for Matthias */
buffer = gtk_text_buffer_new (NULL);
gtk_text_buffer_get_end_iter (buffer, &iter);
gtk_text_buffer_insert (buffer, &iter, "Hello, the text ", -1);
tag = gtk_text_buffer_create_tag (buffer, "bold", NULL);
g_object_set (tag, "weight", PANGO_WEIGHT_BOLD, NULL);
gtk_text_buffer_get_end_iter (buffer, &iter);
gtk_text_buffer_insert_with_tags (buffer, &iter, "in bold", -1, tag, NULL);
gtk_text_buffer_get_end_iter (buffer, &iter);
gtk_text_buffer_insert (buffer, &iter, " has a tooltip!", -1);
text_view = gtk_text_view_new_with_buffer (buffer);
gtk_widget_set_size_request (text_view, 200, 50);
g_object_set (text_view, "has-tooltip", TRUE, NULL);
g_signal_connect (text_view, "query-tooltip",
G_CALLBACK (query_tooltip_text_view_cb), tag);
gtk_box_pack_start (GTK_BOX (box), text_view);
/* Drawing area */
drawing_area = gtk_drawing_area_new ();
gtk_drawing_area_set_content_width (GTK_DRAWING_AREA (drawing_area), 320);
gtk_drawing_area_set_content_height (GTK_DRAWING_AREA (drawing_area), 240);
gtk_drawing_area_set_draw_func (GTK_DRAWING_AREA (drawing_area),
drawing_area_draw, NULL, NULL);
g_object_set (drawing_area, "has-tooltip", TRUE, NULL);
g_signal_connect (drawing_area, "query-tooltip",
G_CALLBACK (query_tooltip_drawing_area_cb), NULL);
gtk_box_pack_start (GTK_BOX (box), drawing_area);
button = gtk_label_new ("Custom tooltip I");
label = gtk_label_new ("See, custom");
g_object_ref_sink (label);
g_object_set (button, "has-tooltip", TRUE, NULL);
g_signal_connect (button, "query-tooltip",
G_CALLBACK (query_tooltip_label_cb), label);
gtk_box_pack_start (GTK_BOX (box), button);
button = gtk_label_new ("Custom tooltip II");
label = gtk_label_new ("See, custom, too");
g_object_ref_sink (label);
g_object_set (button, "has-tooltip", TRUE, NULL);
gtk_box_pack_start (GTK_BOX (box), button);
g_signal_connect (button, "query-tooltip",
G_CALLBACK (query_tooltip_label_cb), label);
/* Done! */
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gtk_widget_show (window);
gtk_main ();
return 0;
}