GtkDatabox: examples/markers.c

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Member "gtkdatabox-1.0.0/examples/markers.c" (31 Mar 2021, 8373 Bytes) of package /linux/privat/gtkdatabox-1.0.0.tar.gz:

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0.9.3.1_vs_1.0.0.

1 /* $Id: markers.c 4 2008-06-22 09:19:11Z rbock $ */ 2 /* GtkDatabox - An extension to the gtk+ library 3 * Copyright (C) 1998 - 2008 Dr. Roland Bock 4 * 5 * This program is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Lesser General Public License 7 * as published by the Free Software Foundation; either version 2.1 8 * of the License, or (at your option) any later version. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU Lesser General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 18 */ 19 #include <stdio.h> 20 21 #include <gtk/gtk.h> 22 #include <gtkdatabox.h> 23 #include <gtkdatabox_points.h> 24 #include <gtkdatabox_markers.h> 25 #include <math.h> 26 27 #define POINTS 24 28 29 /*---------------------------------------------------------------- 30 * databox markerss 31 *----------------------------------------------------------------*/ 32 33 void 34 setM (GtkDataboxGraph * graph, 35 guint index, 36 GtkDataboxMarkersPosition position, 37 GtkDataboxMarkersTextPosition label_position, gchar * label, gboolean boxed) 38 { 39 GtkDataboxMarkers *markers = GTK_DATABOX_MARKERS (graph); 40 41 g_return_if_fail (GTK_DATABOX_IS_MARKERS (markers)); 42 43 gtk_databox_markers_set_position (markers, index, position); 44 gtk_databox_markers_set_label (markers, index, label_position, label, boxed); 45 } 46 47 void 48 setL (GtkDataboxGraph * graph, 49 guint index, 50 GtkDataboxMarkersPosition position, 51 GtkDataboxMarkersTextPosition label_position, gchar * label, gboolean boxed) 52 { 53 GtkDataboxMarkers *markers = GTK_DATABOX_MARKERS (graph); 54 55 g_return_if_fail (GTK_DATABOX_IS_MARKERS (markers)); 56 57 gtk_databox_markers_set_position (markers, index, position); 58 gtk_databox_markers_set_label (markers, index, label_position, label, boxed); 59 } 60 61 void 62 setT (GtkDataboxGraph * graph, 63 guint index, 64 GtkDataboxMarkersTextPosition label_position, gchar * label, gboolean boxed) 65 { 66 GtkDataboxMarkers *markers = GTK_DATABOX_MARKERS (graph); 67 68 g_return_if_fail (GTK_DATABOX_IS_MARKERS (markers)); 69 70 gtk_databox_markers_set_label (markers, index, label_position, label, boxed); 71 } 72 73 static void 74 create_markerss (void) 75 { 76 GtkWidget *window = NULL; 77 GtkWidget *box1; 78 GtkWidget *box2; 79 GtkWidget *close_button; 80 GtkWidget *box; 81 GtkWidget *table; 82 GtkWidget *label; 83 GtkWidget *separator; 84 gfloat *X; 85 gfloat *Y; 86 gint i; 87 GtkDataboxGraph *graph; 88 GdkRGBA color; 89 90 window = gtk_window_new (GTK_WINDOW_TOPLEVEL); 91 gtk_widget_set_size_request (window, 600, 600); 92 93 g_signal_connect (G_OBJECT (window), "destroy", 94 G_CALLBACK (gtk_main_quit), NULL); 95 96 gtk_window_set_title (GTK_WINDOW (window), "GtkDatabox: Markers"); 97 gtk_container_set_border_width (GTK_CONTAINER (window), 0); 98 99 box1 = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0); 100 gtk_container_add (GTK_CONTAINER (window), box1); 101 102 label = 103 gtk_label_new 104 ("Some markers (green) are shown below.\nThe text corresponds to the position of the text, relative to the markers.\n\nThere are also some texts (yellow).\n\nData points are red\n"); 105 gtk_box_pack_start (GTK_BOX (box1), label, FALSE, FALSE, 0); 106 separator = gtk_separator_new (GTK_ORIENTATION_HORIZONTAL); 107 gtk_box_pack_start (GTK_BOX (box1), separator, FALSE, FALSE, 0); 108 109 gtk_databox_create_box_with_scrollbars_and_rulers (&box, &table, 110 TRUE, TRUE, TRUE, TRUE); 111 gtk_box_pack_start (GTK_BOX (box1), table, TRUE, TRUE, 0); 112 113 gtk_databox_set_bg_color (GTK_DATABOX (box), "#545454"); 114 115 X = g_new0 (gfloat, 20 + 4 + 5); 116 Y = g_new0 (gfloat, 20 + 4 + 5); 117 118 for (i = 0; i < 20 + 4 + 5; ++i) 119 { 120 X[i] = i % 4; 121 Y[i] = i / 4; 122 } 123 X[20] = -0.5; 124 Y[20] = -0.5; 125 X[21] = -0.5; 126 Y[21] = 4.5; 127 X[22] = 3.5; 128 Y[22] = -0.5; 129 X[23] = 3.5; 130 Y[23] = 4.5; 131 132 X[24] = -1.; 133 Y[24] = -1.; 134 X[25] = -1.; 135 Y[25] = +5.; 136 X[26] = +4.; 137 Y[26] = -1.; 138 X[27] = +4.; 139 Y[27] = +5.; 140 X[28] = +1.5; 141 Y[28] = +2.; 142 143 color.red = 1; 144 color.green = 0; 145 color.blue = 0; 146 color.alpha = 1; 147 148 graph = gtk_databox_points_new (20 + 4 + 5, X, Y, &color, 3); 149 gtk_databox_graph_add (GTK_DATABOX (box), graph); 150 151 color.red = 0; 152 color.green = 1; 153 color.blue = 0; 154 color.alpha = 1; 155 156 graph = gtk_databox_markers_new (20, X, Y, &color, 15, 157 GTK_DATABOX_MARKERS_TRIANGLE); 158 159 gtk_databox_graph_add (GTK_DATABOX (box), graph); 160 setM (graph, 0, GTK_DATABOX_MARKERS_W, GTK_DATABOX_MARKERS_TEXT_W, "West", FALSE); 161 setM (graph, 1, GTK_DATABOX_MARKERS_N, GTK_DATABOX_MARKERS_TEXT_N, "North", FALSE); 162 setM (graph, 2, GTK_DATABOX_MARKERS_S, GTK_DATABOX_MARKERS_TEXT_S, "South", FALSE); 163 setM (graph, 3, GTK_DATABOX_MARKERS_E, GTK_DATABOX_MARKERS_TEXT_E, "East", FALSE); 164 165 setM (graph, 4, GTK_DATABOX_MARKERS_W, GTK_DATABOX_MARKERS_TEXT_W, "West", TRUE); 166 setM (graph, 5, GTK_DATABOX_MARKERS_N, GTK_DATABOX_MARKERS_TEXT_N, "North", TRUE); 167 setM (graph, 6, GTK_DATABOX_MARKERS_S, GTK_DATABOX_MARKERS_TEXT_S, "South", TRUE); 168 setM (graph, 7, GTK_DATABOX_MARKERS_E, GTK_DATABOX_MARKERS_TEXT_E, "East", TRUE); 169 170 setM (graph, 8, GTK_DATABOX_MARKERS_E, GTK_DATABOX_MARKERS_TEXT_W, "West", TRUE); 171 setM (graph, 9, GTK_DATABOX_MARKERS_S, GTK_DATABOX_MARKERS_TEXT_N, "North", TRUE); 172 setM (graph, 10, GTK_DATABOX_MARKERS_N, GTK_DATABOX_MARKERS_TEXT_S, "South", TRUE); 173 setM (graph, 11, GTK_DATABOX_MARKERS_W, GTK_DATABOX_MARKERS_TEXT_E, "East", TRUE); 174 175 setM (graph, 12, GTK_DATABOX_MARKERS_W, GTK_DATABOX_MARKERS_TEXT_S, "South", TRUE); 176 setM (graph, 13, GTK_DATABOX_MARKERS_N, GTK_DATABOX_MARKERS_TEXT_W, "West", TRUE); 177 setM (graph, 14, GTK_DATABOX_MARKERS_S, GTK_DATABOX_MARKERS_TEXT_E, "East", TRUE); 178 setM (graph, 15, GTK_DATABOX_MARKERS_E, GTK_DATABOX_MARKERS_TEXT_N, "North", TRUE); 179 180 setM (graph, 16, GTK_DATABOX_MARKERS_W, GTK_DATABOX_MARKERS_TEXT_SW, "SW", TRUE); 181 setM (graph, 17, GTK_DATABOX_MARKERS_N, GTK_DATABOX_MARKERS_TEXT_NW, "NW", TRUE); 182 setM (graph, 18, GTK_DATABOX_MARKERS_S, GTK_DATABOX_MARKERS_TEXT_SE, "SE", TRUE); 183 setM (graph, 19, GTK_DATABOX_MARKERS_E, GTK_DATABOX_MARKERS_TEXT_NE, "NE", TRUE); 184 185 186 graph = gtk_databox_markers_new (4, X + 20, Y + 20, &color, 1, 187 GTK_DATABOX_MARKERS_DASHED_LINE); 188 189 gtk_databox_graph_add (GTK_DATABOX (box), graph); 190 setL (graph, 0, GTK_DATABOX_MARKERS_N, GTK_DATABOX_MARKERS_TEXT_W, "West", TRUE); 191 setL (graph, 1, GTK_DATABOX_MARKERS_E, GTK_DATABOX_MARKERS_TEXT_S, "South", TRUE); 192 setL (graph, 2, GTK_DATABOX_MARKERS_W, GTK_DATABOX_MARKERS_TEXT_N, "North", TRUE); 193 setL (graph, 3, GTK_DATABOX_MARKERS_S, GTK_DATABOX_MARKERS_TEXT_E, "East", TRUE); 194 195 color.red = 1; 196 color.green = 1; 197 color.blue = 0; 198 color.alpha = 1; 199 200 graph = gtk_databox_markers_new (5, X + 20 + 4, Y + 20 + 4, &color, 1, 201 GTK_DATABOX_MARKERS_NONE); 202 203 gtk_databox_graph_add (GTK_DATABOX (box), graph); 204 setT (graph, 0, GTK_DATABOX_MARKERS_TEXT_N, "North", FALSE); 205 setT (graph, 1, GTK_DATABOX_MARKERS_TEXT_E, "East", FALSE); 206 setT (graph, 2, GTK_DATABOX_MARKERS_TEXT_S, "South", FALSE); 207 setT (graph, 3, GTK_DATABOX_MARKERS_TEXT_W, "West", FALSE); 208 setT (graph, 4, GTK_DATABOX_MARKERS_TEXT_CENTER, "Centered", TRUE); 209 210 211 gtk_databox_auto_rescale (GTK_DATABOX (box), 0.05); 212 213 separator = gtk_separator_new (GTK_ORIENTATION_HORIZONTAL); 214 gtk_box_pack_start (GTK_BOX (box1), separator, FALSE, TRUE, 0); 215 216 box2 = gtk_box_new (GTK_ORIENTATION_VERTICAL, 10); 217 gtk_container_set_border_width (GTK_CONTAINER (box2), 10); 218 gtk_box_pack_end (GTK_BOX (box1), box2, FALSE, TRUE, 0); 219 close_button = gtk_button_new_with_label ("close"); 220 g_signal_connect_swapped (G_OBJECT (close_button), "clicked", 221 G_CALLBACK (gtk_main_quit), G_OBJECT (box)); 222 gtk_box_pack_start (GTK_BOX (box2), close_button, TRUE, TRUE, 0); 223 gtk_widget_set_can_default(close_button, TRUE); 224 gtk_widget_grab_default (close_button); 225 226 gtk_widget_show_all (window); 227 228 } 229 230 gint 231 main (gint argc, char *argv[]) 232 { 233 gtk_init (&argc, &argv); 234 235 create_markerss (); 236 gtk_main (); 237 238 return 0; 239 }