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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/* Marco fixed tooltip routine */
/*
* Copyright (C) 2001 Havoc Pennington
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program 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. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
#include <config.h>
#include "fixedtip.h"
#include "ui.h"
/**
* The floating rectangle. This is a GtkWindow, and it contains
* the "label" widget, below.
*/
static GtkWidget *tip = NULL;
/**
* The actual text that gets displayed.
*/
static GtkWidget *label = NULL;
#if GTK_CHECK_VERSION(3, 0, 0)
static GdkScreen *screen = NULL;
static gboolean
draw_handler (GtkWidget *widget,
cairo_t *cr)
{
GtkStyleContext *context;
gint width;
gint height;
if (widget == NULL)
return FALSE;
context = gtk_widget_get_style_context (widget);
gtk_style_context_add_class (context, "tooltip");
width = gtk_widget_get_allocated_width (widget);
height = gtk_widget_get_allocated_height (widget);
gtk_render_background (context, cr, 0, 0, width, height);
gtk_render_frame (context, cr, 0, 0, width, height);
return FALSE;
}
#else
/*
* X coordinate of the right-hand edge of the screen.
*
* \bug This appears to be a bug; screen_right_edge is calculated only when
* the window is redrawn. Actually we should never cache it because
* different windows are different sizes.
*/
static int screen_right_edge = 0;
/*
* Y coordinate of the bottom edge of the screen.
*
* \bug As with screen_right_edge.
*/
static int screen_bottom_edge = 0;
static gint
expose_handler (GtkTooltip *tooltips)
{
gtk_paint_flat_box (gtk_widget_get_style (tip), gtk_widget_get_window (tip),
GTK_STATE_NORMAL, GTK_SHADOW_OUT,
NULL, tip, "tooltip",
0, 0, -1, -1);
return FALSE;
}
#endif
void
meta_fixed_tip_show (int screen_number,
int root_x, int root_y,
const char *markup_text)
{
#if GTK_CHECK_VERSION(3, 0, 0)
gint w;
gint h;
gint mon_num;
GdkRectangle monitor;
gint screen_right_edge;
#else
int w, h;
#endif
if (tip == NULL)
{
#if GTK_CHECK_VERSION(3, 0, 0)
GdkVisual *visual;
tip = gtk_window_new (GTK_WINDOW_POPUP);
gtk_window_set_type_hint (GTK_WINDOW(tip), GDK_WINDOW_TYPE_HINT_TOOLTIP);
gtk_style_context_add_class (gtk_widget_get_style_context (tip),
GTK_STYLE_CLASS_TOOLTIP);
screen = gdk_display_get_screen (gdk_display_get_default (), screen_number);
visual = gdk_screen_get_rgba_visual (screen);
gtk_window_set_screen (GTK_WINDOW (tip), screen);
if (visual != NULL)
gtk_widget_set_visual (tip, visual);
#else
tip = gtk_window_new (GTK_WINDOW_POPUP);
gtk_window_set_type_hint (GTK_WINDOW(tip), GDK_WINDOW_TYPE_HINT_TOOLTIP);
{
GdkScreen *gdk_screen;
GdkRectangle monitor;
gint mon_num;
gdk_screen = gdk_display_get_screen (gdk_display_get_default (),
screen_number);
gtk_window_set_screen (GTK_WINDOW (tip),
gdk_screen);
mon_num = gdk_screen_get_monitor_at_point (gdk_screen, root_x, root_y);
gdk_screen_get_monitor_geometry (gdk_screen, mon_num, &monitor);
screen_right_edge = monitor.x + monitor.width;
screen_bottom_edge = monitor.y + monitor.height;
}
#endif
gtk_widget_set_app_paintable (tip, TRUE);
gtk_window_set_resizable (GTK_WINDOW (tip), FALSE);
#if GTK_CHECK_VERSION(3, 0, 0)
g_signal_connect (tip, "draw", G_CALLBACK (draw_handler), NULL);
#else
gtk_widget_set_name (tip, "gtk-tooltips");
gtk_container_set_border_width (GTK_CONTAINER (tip), 4);
g_signal_connect_swapped (tip, "expose_event",
G_CALLBACK (expose_handler), NULL);
#endif
label = gtk_label_new (NULL);
gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
#if GTK_CHECK_VERSION (3, 16, 0)
gtk_label_set_xalign (GTK_LABEL (label), 0.5);
gtk_label_set_yalign (GTK_LABEL (label), 0.5);
#else
gtk_misc_set_alignment (GTK_MISC (label), 0.5, 0.5);
#endif
gtk_widget_show (label);
#if GTK_CHECK_VERSION(3, 0, 0)
gtk_container_set_border_width (GTK_CONTAINER (tip), 4);
#endif
gtk_container_add (GTK_CONTAINER (tip), label);
g_signal_connect (tip, "destroy",
G_CALLBACK (gtk_widget_destroyed), &tip);
}
#if GTK_CHECK_VERSION(3, 0, 0)
mon_num = gdk_screen_get_monitor_at_point (screen, root_x, root_y);
gdk_screen_get_monitor_geometry (screen, mon_num, &monitor);
screen_right_edge = monitor.x + monitor.width;
#endif
gtk_label_set_markup (GTK_LABEL (label), markup_text);
gtk_window_get_size (GTK_WINDOW (tip), &w, &h);
if (meta_ui_get_direction() == META_UI_DIRECTION_RTL)
root_x = MAX(0, root_x - w);
if ((root_x + w) > screen_right_edge)
root_x -= (root_x + w) - screen_right_edge;
gtk_window_move (GTK_WINDOW (tip), root_x, root_y);
gtk_widget_show (tip);
}
void
meta_fixed_tip_hide (void)
{
if (tip)
{
gtk_widget_destroy (tip);
tip = NULL;
}
}
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