1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
|
/* -*- 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;
/*
* 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;
#if GTK_CHECK_VERSION(3, 0, 0)
static gint
draw_handler (GtkWidget *tooltips,
cairo_t *cr,
gpointer user_data)
{
if (tooltips != NULL)
{
gtk_render_background (gtk_widget_get_style_context (tooltips),
cr,
0, 0,
gtk_widget_get_allocated_width (tooltips),
gtk_widget_get_allocated_height (tooltips));
}
return FALSE;
}
#else
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)
{
int w, h;
if (tip == NULL)
{
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;
}
gtk_widget_set_app_paintable (tip, TRUE);
gtk_window_set_resizable (GTK_WINDOW (tip), FALSE);
gtk_widget_set_name (tip, "gtk-tooltips");
gtk_container_set_border_width (GTK_CONTAINER (tip), 4);
#if GTK_CHECK_VERSION(3, 0, 0)
g_signal_connect (tip, "draw",
G_CALLBACK (draw_handler), NULL);
#else
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);
gtk_misc_set_alignment (GTK_MISC (label), 0.5, 0.5);
gtk_widget_show (label);
gtk_container_add (GTK_CONTAINER (tip), label);
g_signal_connect (tip, "destroy",
G_CALLBACK (gtk_widget_destroyed), &tip);
}
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;
}
}
|
