[134] | 1 | /* Metacity fixed tooltip routine */ |
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| 2 | |
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| 3 | /* |
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| 4 | * Copyright (C) 2001 Havoc Pennington |
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| 5 | * Copyright (C) 2003-2006 Vincent Untz |
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| 6 | * |
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| 7 | * This program is free software; you can redistribute it and/or |
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| 8 | * modify it under the terms of the GNU General Public License as |
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| 9 | * published by the Free Software Foundation; either version 2 of the |
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| 10 | * License, or (at your option) any later version. |
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| 11 | * |
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| 12 | * This program is distributed in the hope that it will be useful, but |
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| 13 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 15 | * General Public License for more details. |
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| 16 | * |
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| 17 | * You should have received a copy of the GNU General Public License |
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| 18 | * along with this program; if not, write to the Free Software |
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| 19 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA |
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| 20 | * 02111-1307, USA. |
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| 21 | */ |
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| 22 | |
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| 23 | #include "fixedtip.h" |
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| 24 | |
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| 25 | /* Signals */ |
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| 26 | enum |
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| 27 | { |
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| 28 | CLICKED, |
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| 29 | LAST_SIGNAL |
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| 30 | }; |
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| 31 | |
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| 32 | static guint fixedtip_signals[LAST_SIGNAL] = { 0 }; |
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| 33 | |
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| 34 | struct _NaFixedTipPrivate |
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| 35 | { |
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| 36 | GtkWidget *parent; |
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| 37 | GtkWidget *label; |
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| 38 | GtkOrientation orientation; |
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| 39 | }; |
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| 40 | |
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| 41 | G_DEFINE_TYPE (NaFixedTip, na_fixed_tip, GTK_TYPE_WINDOW) |
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| 42 | |
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| 43 | static gboolean |
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| 44 | button_press_handler (GtkWidget *fixedtip, |
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| 45 | GdkEventButton *event, |
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| 46 | gpointer data) |
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| 47 | { |
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| 48 | if (event->button == 1 && event->type == GDK_BUTTON_PRESS) |
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| 49 | g_signal_emit (fixedtip, fixedtip_signals[CLICKED], 0); |
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| 50 | |
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| 51 | return FALSE; |
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| 52 | } |
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| 53 | |
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| 54 | static gboolean |
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| 55 | expose_handler (GtkWidget *fixedtip) |
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| 56 | { |
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| 57 | GtkRequisition req; |
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| 58 | |
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| 59 | gtk_widget_size_request (fixedtip, &req); |
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| 60 | |
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| 61 | gtk_paint_flat_box (fixedtip->style, fixedtip->window, |
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| 62 | GTK_STATE_NORMAL, GTK_SHADOW_OUT, |
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| 63 | NULL, fixedtip, "tooltip", |
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| 64 | 0, 0, req.width, req.height); |
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| 65 | |
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| 66 | return FALSE; |
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| 67 | } |
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| 68 | |
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| 69 | static void |
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| 70 | na_fixed_tip_class_init (NaFixedTipClass *class) |
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| 71 | { |
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| 72 | fixedtip_signals[CLICKED] = |
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| 73 | g_signal_new ("clicked", |
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| 74 | G_OBJECT_CLASS_TYPE (class), |
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| 75 | G_SIGNAL_RUN_LAST, |
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| 76 | G_STRUCT_OFFSET (NaFixedTipClass, clicked), |
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| 77 | NULL, NULL, |
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| 78 | g_cclosure_marshal_VOID__VOID, |
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| 79 | G_TYPE_NONE, 0); |
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| 80 | |
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| 81 | g_type_class_add_private (class, sizeof (NaFixedTipPrivate)); |
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| 82 | } |
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| 83 | |
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| 84 | static void |
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| 85 | na_fixed_tip_init (NaFixedTip *fixedtip) |
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| 86 | { |
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| 87 | GtkWidget *label; |
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| 88 | |
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| 89 | fixedtip->priv = G_TYPE_INSTANCE_GET_PRIVATE (fixedtip, NA_TYPE_FIXED_TIP, |
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| 90 | NaFixedTipPrivate); |
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| 91 | |
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| 92 | gtk_window_set_type_hint (GTK_WINDOW (fixedtip), |
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| 93 | GDK_WINDOW_TYPE_HINT_TOOLTIP); |
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| 94 | |
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| 95 | gtk_widget_set_app_paintable (GTK_WIDGET (fixedtip), TRUE); |
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| 96 | gtk_window_set_resizable (GTK_WINDOW (fixedtip), FALSE); |
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| 97 | gtk_widget_set_name (GTK_WIDGET (fixedtip), "gtk-tooltips"); |
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| 98 | gtk_container_set_border_width (GTK_CONTAINER (fixedtip), 4); |
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| 99 | |
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| 100 | label = gtk_label_new (NULL); |
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| 101 | gtk_label_set_line_wrap (GTK_LABEL (label), TRUE); |
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| 102 | gtk_misc_set_alignment (GTK_MISC (label), 0.5, 0.5); |
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| 103 | gtk_widget_show (label); |
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| 104 | gtk_container_add (GTK_CONTAINER (fixedtip), label); |
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| 105 | fixedtip->priv->label = label; |
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| 106 | |
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| 107 | g_signal_connect (fixedtip, "expose_event", |
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| 108 | G_CALLBACK (expose_handler), NULL); |
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| 109 | |
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| 110 | gtk_widget_add_events (GTK_WIDGET (fixedtip), GDK_BUTTON_PRESS_MASK); |
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| 111 | |
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| 112 | g_signal_connect (fixedtip, "button_press_event", |
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| 113 | G_CALLBACK (button_press_handler), NULL); |
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| 114 | |
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| 115 | fixedtip->priv->orientation = GTK_ORIENTATION_HORIZONTAL; |
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| 116 | } |
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| 117 | |
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| 118 | static void |
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| 119 | na_fixed_tip_position (NaFixedTip *fixedtip) |
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| 120 | { |
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| 121 | GdkScreen *screen; |
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| 122 | GtkRequisition req; |
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| 123 | int root_x; |
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| 124 | int root_y; |
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| 125 | int parent_width; |
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| 126 | int parent_height; |
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| 127 | int screen_width; |
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| 128 | int screen_height; |
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| 129 | |
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| 130 | screen = gtk_widget_get_screen (fixedtip->priv->parent); |
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| 131 | gtk_window_set_screen (GTK_WINDOW (fixedtip), screen); |
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| 132 | |
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| 133 | gtk_widget_size_request (GTK_WIDGET (fixedtip), &req); |
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| 134 | |
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| 135 | gdk_window_get_origin (fixedtip->priv->parent->window, &root_x, &root_y); |
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| 136 | gdk_drawable_get_size (GDK_DRAWABLE (fixedtip->priv->parent->window), |
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| 137 | &parent_width, &parent_height); |
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| 138 | |
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| 139 | screen_width = gdk_screen_get_width (screen); |
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| 140 | screen_height = gdk_screen_get_height (screen); |
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| 141 | |
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| 142 | /* pad between panel and message window */ |
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| 143 | #define PAD 5 |
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| 144 | |
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| 145 | if (fixedtip->priv->orientation == GTK_ORIENTATION_VERTICAL) |
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| 146 | { |
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| 147 | if (root_x <= screen_width / 2) |
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| 148 | root_x += parent_width + PAD; |
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| 149 | else |
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| 150 | root_x -= req.width + PAD; |
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| 151 | } |
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| 152 | else |
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| 153 | { |
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| 154 | if (root_y <= screen_height / 2) |
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| 155 | root_y += parent_height + PAD; |
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| 156 | else |
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| 157 | root_y -= req.height + PAD; |
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| 158 | } |
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| 159 | |
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| 160 | /* Push onscreen */ |
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| 161 | if ((root_x + req.width) > screen_width) |
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| 162 | root_x = screen_width - req.width; |
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| 163 | |
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| 164 | if ((root_y + req.height) > screen_height) |
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| 165 | root_y = screen_height - req.height; |
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| 166 | |
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| 167 | gtk_window_move (GTK_WINDOW (fixedtip), root_x, root_y); |
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| 168 | } |
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| 169 | |
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| 170 | static void |
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| 171 | na_fixed_tip_parent_size_allocated (GtkWidget *parent, |
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| 172 | GtkAllocation *allocation, |
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| 173 | NaFixedTip *fixedtip) |
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| 174 | { |
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| 175 | na_fixed_tip_position (fixedtip); |
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| 176 | } |
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| 177 | |
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| 178 | static void |
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| 179 | na_fixed_tip_parent_screen_changed (GtkWidget *parent, |
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| 180 | GdkScreen *new_screen, |
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| 181 | NaFixedTip *fixedtip) |
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| 182 | { |
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| 183 | na_fixed_tip_position (fixedtip); |
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| 184 | } |
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| 185 | |
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| 186 | GtkWidget * |
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| 187 | na_fixed_tip_new (GtkWidget *parent, |
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| 188 | GtkOrientation orientation) |
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| 189 | { |
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| 190 | NaFixedTip *fixedtip; |
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| 191 | |
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| 192 | g_return_val_if_fail (parent != NULL, NULL); |
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| 193 | |
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| 194 | fixedtip = g_object_new (NA_TYPE_FIXED_TIP, NULL); |
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| 195 | |
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| 196 | /* It doesn't work if we do this in na_fixed_tip_init(), so do it here */ |
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| 197 | GTK_WINDOW (fixedtip)->type = GTK_WINDOW_POPUP; |
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| 198 | |
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| 199 | fixedtip->priv->parent = parent; |
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| 200 | |
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| 201 | #if 0 |
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| 202 | //FIXME: would be nice to be able to get the toplevel for the tip, but this |
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| 203 | //doesn't work |
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| 204 | GtkWidget *toplevel; |
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| 205 | |
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| 206 | toplevel = gtk_widget_get_toplevel (parent); |
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| 207 | /* |
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| 208 | if (toplevel && GTK_WIDGET_TOPLEVEL (toplevel) && GTK_IS_WINDOW (toplevel)) |
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| 209 | gtk_window_set_transient_for (GTK_WINDOW (fixedtip), GTK_WINDOW (toplevel)); |
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| 210 | */ |
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| 211 | #endif |
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| 212 | |
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| 213 | fixedtip->priv->orientation = orientation; |
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| 214 | |
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| 215 | //FIXME: would be nice to move the tip when the notification area moves |
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| 216 | g_signal_connect_object (parent, "size-allocate", |
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| 217 | G_CALLBACK (na_fixed_tip_parent_size_allocated), |
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| 218 | fixedtip, 0); |
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| 219 | g_signal_connect_object (parent, "screen-changed", |
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| 220 | G_CALLBACK (na_fixed_tip_parent_screen_changed), |
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| 221 | fixedtip, 0); |
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| 222 | |
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| 223 | na_fixed_tip_position (fixedtip); |
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| 224 | |
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| 225 | return GTK_WIDGET (fixedtip); |
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| 226 | } |
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| 227 | |
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| 228 | void |
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| 229 | na_fixed_tip_set_markup (GtkWidget *widget, |
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| 230 | const char *markup_text) |
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| 231 | { |
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| 232 | NaFixedTip *fixedtip; |
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| 233 | |
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| 234 | g_return_if_fail (NA_IS_FIXED_TIP (widget)); |
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| 235 | |
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| 236 | fixedtip = NA_FIXED_TIP (widget); |
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| 237 | |
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| 238 | gtk_label_set_markup (GTK_LABEL (fixedtip->priv->label), |
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| 239 | markup_text); |
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| 240 | |
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| 241 | na_fixed_tip_position (fixedtip); |
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| 242 | } |
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| 243 | |
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| 244 | void |
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| 245 | na_fixed_tip_set_orientation (GtkWidget *widget, |
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| 246 | GtkOrientation orientation) |
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| 247 | { |
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| 248 | NaFixedTip *fixedtip; |
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| 249 | |
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| 250 | g_return_if_fail (NA_IS_FIXED_TIP (widget)); |
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| 251 | |
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| 252 | fixedtip = NA_FIXED_TIP (widget); |
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| 253 | |
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| 254 | if (orientation == fixedtip->priv->orientation) |
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| 255 | return; |
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| 256 | |
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| 257 | fixedtip->priv->orientation = orientation; |
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| 258 | |
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| 259 | na_fixed_tip_position (fixedtip); |
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| 260 | } |
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