| 1 /* |
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| 2 * GNT - The GLib Ncurses Toolkit |
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| 3 * |
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| 4 * GNT is the legal property of its developers, whose names are too numerous |
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| 5 * to list here. Please refer to the COPYRIGHT file distributed with this |
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| 6 * source distribution. |
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| 7 * |
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| 8 * This library is free software; you can redistribute it and/or modify |
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| 9 * it under the terms of the GNU General Public License as published by |
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| 10 * the Free Software Foundation; either version 2 of the License, or |
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| 11 * (at your option) any later version. |
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| 12 * |
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| 13 * This program is distributed in the hope that it will be useful, |
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| 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 16 * GNU General Public License for more details. |
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| 17 * |
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| 18 * You should have received a copy of the GNU General Public License |
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| 19 * along with this program; if not, write to the Free Software |
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| 20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA |
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| 21 */ |
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| 22 |
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| 23 #include "gntinternal.h" |
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| 24 #include "gntlabel.h" |
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| 25 #include "gntutils.h" |
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| 26 |
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| 27 #include <string.h> |
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| 28 |
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| 29 enum |
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| 30 { |
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| 31 PROP_0, |
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| 32 PROP_TEXT, |
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| 33 PROP_TEXT_FLAG |
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| 34 }; |
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| 35 |
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| 36 enum |
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| 37 { |
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| 38 SIGS = 1, |
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| 39 }; |
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| 40 |
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| 41 static GntWidgetClass *parent_class = NULL; |
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| 42 |
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| 43 static void |
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| 44 gnt_label_destroy(GntWidget *widget) |
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| 45 { |
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| 46 GntLabel *label = GNT_LABEL(widget); |
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| 47 g_free(label->text); |
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| 48 } |
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| 49 |
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| 50 static void |
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| 51 gnt_label_draw(GntWidget *widget) |
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| 52 { |
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| 53 GntLabel *label = GNT_LABEL(widget); |
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| 54 chtype flag = gnt_text_format_flag_to_chtype(label->flags); |
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| 55 |
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| 56 wbkgdset(widget->window, '\0' | flag); |
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| 57 mvwaddstr(widget->window, 0, 0, C_(label->text)); |
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| 58 |
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| 59 GNTDEBUG; |
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| 60 } |
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| 61 |
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| 62 static void |
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| 63 gnt_label_size_request(GntWidget *widget) |
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| 64 { |
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| 65 GntLabel *label = GNT_LABEL(widget); |
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| 66 |
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| 67 gnt_util_get_text_bound(label->text, |
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| 68 &widget->priv.width, &widget->priv.height); |
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| 69 } |
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| 70 |
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| 71 static void |
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| 72 gnt_label_set_property(GObject *obj, guint prop_id, const GValue *value, |
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| 73 GParamSpec *spec) |
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| 74 { |
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| 75 GntLabel *label = GNT_LABEL(obj); |
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| 76 switch (prop_id) { |
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| 77 case PROP_TEXT: |
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| 78 g_free(label->text); |
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| 79 label->text = gnt_util_onscreen_fit_string(g_value_get_string(value), -1); |
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| 80 break; |
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| 81 case PROP_TEXT_FLAG: |
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| 82 label->flags = g_value_get_int(value); |
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| 83 break; |
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| 84 default: |
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| 85 g_return_if_reached(); |
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| 86 break; |
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| 87 } |
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| 88 } |
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| 89 |
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| 90 static void |
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| 91 gnt_label_get_property(GObject *obj, guint prop_id, GValue *value, |
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| 92 GParamSpec *spec) |
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| 93 { |
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| 94 GntLabel *label = GNT_LABEL(obj); |
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| 95 switch (prop_id) { |
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| 96 case PROP_TEXT: |
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| 97 g_value_set_string(value, label->text); |
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| 98 break; |
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| 99 case PROP_TEXT_FLAG: |
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| 100 g_value_set_int(value, label->flags); |
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| 101 break; |
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| 102 default: |
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| 103 break; |
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| 104 } |
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| 105 } |
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| 106 |
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| 107 static void |
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| 108 gnt_label_class_init(GntLabelClass *klass) |
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| 109 { |
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| 110 GObjectClass *gclass = G_OBJECT_CLASS(klass); |
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| 111 |
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| 112 parent_class = GNT_WIDGET_CLASS(klass); |
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| 113 parent_class->destroy = gnt_label_destroy; |
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| 114 parent_class->draw = gnt_label_draw; |
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| 115 parent_class->map = NULL; |
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| 116 parent_class->size_request = gnt_label_size_request; |
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| 117 |
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| 118 gclass->set_property = gnt_label_set_property; |
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| 119 gclass->get_property = gnt_label_get_property; |
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| 120 |
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| 121 g_object_class_install_property(gclass, |
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| 122 PROP_TEXT, |
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| 123 g_param_spec_string("text", "Text", |
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| 124 "The text for the label.", |
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| 125 NULL, |
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| 126 G_PARAM_READWRITE|G_PARAM_STATIC_STRINGS |
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| 127 ) |
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| 128 ); |
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| 129 |
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| 130 g_object_class_install_property(gclass, |
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| 131 PROP_TEXT_FLAG, |
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| 132 g_param_spec_int("text-flag", "Text flag", |
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| 133 "Text attribute to use when displaying the text in the label.", |
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| 134 GNT_TEXT_FLAG_NORMAL, |
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| 135 GNT_TEXT_FLAG_NORMAL|GNT_TEXT_FLAG_BOLD|GNT_TEXT_FLAG_UNDERLINE| |
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| 136 GNT_TEXT_FLAG_BLINK|GNT_TEXT_FLAG_DIM|GNT_TEXT_FLAG_HIGHLIGHT, |
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| 137 GNT_TEXT_FLAG_NORMAL, |
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| 138 G_PARAM_READWRITE|G_PARAM_STATIC_STRINGS |
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| 139 ) |
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| 140 ); |
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| 141 GNTDEBUG; |
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| 142 } |
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| 143 |
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| 144 static void |
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| 145 gnt_label_init(GTypeInstance *instance, gpointer class) |
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| 146 { |
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| 147 GntWidget *widget = GNT_WIDGET(instance); |
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| 148 gnt_widget_set_take_focus(widget, FALSE); |
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| 149 GNT_WIDGET_SET_FLAGS(widget, GNT_WIDGET_NO_BORDER | GNT_WIDGET_NO_SHADOW); |
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| 150 GNT_WIDGET_SET_FLAGS(widget, GNT_WIDGET_GROW_X); |
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| 151 widget->priv.minw = 3; |
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| 152 widget->priv.minh = 1; |
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| 153 GNTDEBUG; |
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| 154 } |
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| 155 |
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| 156 /****************************************************************************** |
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| 157 * GntLabel API |
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| 158 *****************************************************************************/ |
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| 159 GType |
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| 160 gnt_label_get_type(void) |
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| 161 { |
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| 162 static GType type = 0; |
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| 163 |
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| 164 if(type == 0) |
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| 165 { |
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| 166 static const GTypeInfo info = { |
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| 167 sizeof(GntLabelClass), |
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| 168 NULL, /* base_init */ |
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| 169 NULL, /* base_finalize */ |
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| 170 (GClassInitFunc)gnt_label_class_init, |
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| 171 NULL, /* class_finalize */ |
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| 172 NULL, /* class_data */ |
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| 173 sizeof(GntLabel), |
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| 174 0, /* n_preallocs */ |
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| 175 gnt_label_init, /* instance_init */ |
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| 176 NULL /* value_table */ |
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| 177 }; |
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| 178 |
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| 179 type = g_type_register_static(GNT_TYPE_WIDGET, |
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| 180 "GntLabel", |
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| 181 &info, 0); |
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| 182 } |
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| 183 |
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| 184 return type; |
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| 185 } |
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| 186 |
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| 187 GntWidget *gnt_label_new(const char *text) |
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| 188 { |
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| 189 return gnt_label_new_with_format(text, 0); |
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| 190 } |
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| 191 |
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| 192 GntWidget *gnt_label_new_with_format(const char *text, GntTextFormatFlags flags) |
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| 193 { |
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| 194 GntWidget *widget = g_object_new(GNT_TYPE_LABEL, "text-flag", flags, "text", text, NULL); |
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| 195 return widget; |
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| 196 } |
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| 197 |
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| 198 void gnt_label_set_text(GntLabel *label, const char *text) |
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| 199 { |
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| 200 g_object_set(label, "text", text, NULL); |
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| 201 |
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| 202 if (GNT_WIDGET(label)->window) |
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| 203 { |
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| 204 werase(GNT_WIDGET(label)->window); |
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| 205 gnt_widget_draw(GNT_WIDGET(label)); |
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| 206 } |
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| 207 } |
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| 208 |
|