1 /* This file contains utility functions to create what would be a typical "main
2  * window" for an application.
3  *
4  * TODO:
5  *
6  * Measurements happen from the start of the destruction of the last window.  Use
7  * GTimer rather than X timestamps to fix this (it uses gettimeofday() internally!)
8  *
9  * Make non-interactive as well by using the above.
10  *
11  */
12 
13 #include <string.h>
14 #include <gtk/gtk.h>
15 
16 #include "widgets.h"
17 
18 static void
quit_cb(GtkWidget * widget,gpointer data)19 quit_cb (GtkWidget *widget, gpointer data)
20 {
21   gtk_main_quit ();
22 }
23 
24 static void
noop_cb(GtkWidget * widget,gpointer data)25 noop_cb (GtkWidget *widget, gpointer data)
26 {
27   /* nothing */
28 }
29 
30 static const GtkActionEntry menu_action_entries[] = {
31   { "FileMenu", NULL, "_File" },
32   { "EditMenu", NULL, "_Edit" },
33   { "ViewMenu", NULL, "_View" },
34   { "HelpMenu", NULL, "_Help" },
35 
36   { "New", GTK_STOCK_NEW, "_New", "<control>N", "Create a new document", G_CALLBACK (noop_cb) },
37   { "Open", GTK_STOCK_OPEN, "_Open", "<control>O", "Open a file", G_CALLBACK (noop_cb) },
38   { "Save", GTK_STOCK_SAVE, "_Save", "<control>S", "Save the document", G_CALLBACK (noop_cb) },
39   { "SaveAs", GTK_STOCK_SAVE_AS, "Save _As...", NULL, "Save the document with a different name", NULL},
40   { "PrintPreview", GTK_STOCK_PRINT_PREVIEW, "Print Previe_w", NULL, "See how the document will be printed", G_CALLBACK (noop_cb) },
41   { "Print", GTK_STOCK_PRINT, "_Print", "<control>P", "Print the document", G_CALLBACK (noop_cb) },
42   { "Close", GTK_STOCK_CLOSE, "_Close", "<control>W", "Close the document", G_CALLBACK (noop_cb) },
43   { "Quit", GTK_STOCK_QUIT, "_Quit", "<control>Q", "Quit the program", G_CALLBACK (quit_cb) },
44 
45   { "Undo", GTK_STOCK_UNDO, "_Undo", "<control>Z", "Undo the last action", G_CALLBACK (noop_cb) },
46   { "Redo", GTK_STOCK_REDO, "_Redo", "<control>Y", "Redo the last action", G_CALLBACK (noop_cb) },
47   { "Cut", GTK_STOCK_CUT, "Cu_t", "<control>X", "Cut the selection to the clipboard", G_CALLBACK (noop_cb) },
48   { "Copy", GTK_STOCK_COPY, "_Copy", "<control>C", "Copy the selection to the clipboard", G_CALLBACK (noop_cb) },
49   { "Paste", GTK_STOCK_PASTE, "_Paste", "<control>V", "Paste the contents of the clipboard", G_CALLBACK (noop_cb) },
50   { "Delete", GTK_STOCK_DELETE, "_Delete", "Delete", "Delete the selection", G_CALLBACK (noop_cb) },
51   { "SelectAll", NULL, "Select _All", "<control>A", "Select the whole document", G_CALLBACK (noop_cb) },
52   { "Preferences", GTK_STOCK_PREFERENCES, "Pr_eferences", NULL, "Configure the application", G_CALLBACK (noop_cb) },
53 
54   { "ZoomFit", GTK_STOCK_ZOOM_FIT, "Zoom to _Fit", NULL, "Zoom the document to fit the window", G_CALLBACK (noop_cb) },
55   { "Zoom100", GTK_STOCK_ZOOM_100, "Zoom _1:1", NULL, "Zoom to 1:1 scale", G_CALLBACK (noop_cb) },
56   { "ZoomIn", GTK_STOCK_ZOOM_IN, "Zoom _In", NULL, "Zoom into the document", G_CALLBACK (noop_cb) },
57   { "ZoomOut", GTK_STOCK_ZOOM_OUT, "Zoom _Out", NULL, "Zoom away from the document", G_CALLBACK (noop_cb) },
58   { "FullScreen", GTK_STOCK_FULLSCREEN, "Full _Screen", "F11", "Use the whole screen to view the document", G_CALLBACK (noop_cb) },
59 
60   { "HelpContents", GTK_STOCK_HELP, "_Contents", "F1", "Show the table of contents for the help system", G_CALLBACK (noop_cb) },
61   { "About", GTK_STOCK_ABOUT, "_About", NULL, "About this application", G_CALLBACK (noop_cb) }
62 };
63 
64 static const char ui_description[] =
65 "<ui>"
66 "  <menubar name=\"MainMenu\">"
67 "    <menu action=\"FileMenu\">"
68 "      <menuitem action=\"New\"/>"
69 "      <menuitem action=\"Open\"/>"
70 "      <menuitem action=\"Save\"/>"
71 "      <menuitem action=\"SaveAs\"/>"
72 "      <separator/>"
73 "      <menuitem action=\"PrintPreview\"/>"
74 "      <menuitem action=\"Print\"/>"
75 "      <separator/>"
76 "      <menuitem action=\"Close\"/>"
77 "      <menuitem action=\"Quit\"/>"
78 "    </menu>"
79 "    <menu action=\"EditMenu\">"
80 "      <menuitem action=\"Undo\"/>"
81 "      <menuitem action=\"Redo\"/>"
82 "      <separator/>"
83 "      <menuitem action=\"Cut\"/>"
84 "      <menuitem action=\"Copy\"/>"
85 "      <menuitem action=\"Paste\"/>"
86 "      <menuitem action=\"Delete\"/>"
87 "      <separator/>"
88 "      <menuitem action=\"SelectAll\"/>"
89 "      <separator/>"
90 "      <menuitem action=\"Preferences\"/>"
91 "    </menu>"
92 "    <menu action=\"ViewMenu\">"
93 "      <menuitem action=\"ZoomFit\"/>"
94 "      <menuitem action=\"Zoom100\"/>"
95 "      <menuitem action=\"ZoomIn\"/>"
96 "      <menuitem action=\"ZoomOut\"/>"
97 "      <separator/>"
98 "      <menuitem action=\"FullScreen\"/>"
99 "    </menu>"
100 "    <menu action=\"HelpMenu\">"
101 "      <menuitem action=\"HelpContents\"/>"
102 "      <menuitem action=\"About\"/>"
103 "    </menu>"
104 "  </menubar>"
105 "  <toolbar name=\"MainToolbar\">"
106 "    <toolitem action=\"New\"/>"
107 "    <toolitem action=\"Open\"/>"
108 "    <toolitem action=\"Save\"/>"
109 "    <separator/>"
110 "    <toolitem action=\"Print\"/>"
111 "    <separator/>"
112 "    <toolitem action=\"Undo\"/>"
113 "    <toolitem action=\"Redo\"/>"
114 "    <separator/>"
115 "    <toolitem action=\"Cut\"/>"
116 "    <toolitem action=\"Copy\"/>"
117 "    <toolitem action=\"Paste\"/>"
118 "  </toolbar>"
119 "</ui>";
120 
121 static GtkUIManager *
uimanager_new(void)122 uimanager_new (void)
123 {
124   GtkUIManager *ui;
125   GtkActionGroup *action_group;
126   GError *error;
127 
128   ui = gtk_ui_manager_new ();
129 
130   action_group = gtk_action_group_new ("Actions");
131   gtk_action_group_add_actions (action_group, menu_action_entries, G_N_ELEMENTS (menu_action_entries), NULL);
132 
133   gtk_ui_manager_insert_action_group (ui, action_group, 0);
134   g_object_unref (action_group);
135 
136   error = NULL;
137   if (!gtk_ui_manager_add_ui_from_string (ui, ui_description, -1, &error))
138     g_error ("Could not parse the uimanager XML: %s", error->message);
139 
140   return ui;
141 }
142 
143 static GtkWidget *
menubar_new(GtkUIManager * ui)144 menubar_new (GtkUIManager *ui)
145 {
146   return gtk_ui_manager_get_widget (ui, "/MainMenu");
147 }
148 
149 static GtkWidget *
toolbar_new(GtkUIManager * ui)150 toolbar_new (GtkUIManager *ui)
151 {
152   return gtk_ui_manager_get_widget (ui, "/MainToolbar");
153 }
154 
155 static GtkWidget *
drawing_area_new(void)156 drawing_area_new (void)
157 {
158   GtkWidget *darea;
159 
160   darea = gtk_drawing_area_new ();
161   gtk_widget_set_size_request (darea, 640, 480);
162   return darea;
163 }
164 
165 static GtkWidget *
content_area_new(void)166 content_area_new (void)
167 {
168   GtkWidget *notebook;
169 
170   notebook = gtk_notebook_new ();
171 
172   gtk_notebook_append_page (GTK_NOTEBOOK (notebook),
173 			    drawing_area_new (),
174 			    gtk_label_new ("First"));
175 
176   gtk_notebook_append_page (GTK_NOTEBOOK (notebook),
177 			    drawing_area_new (),
178 			    gtk_label_new ("Second"));
179 
180   gtk_notebook_append_page (GTK_NOTEBOOK (notebook),
181 			    drawing_area_new (),
182 			    gtk_label_new ("Third"));
183 
184   return notebook;
185 }
186 
187 static GtkWidget *
status_bar_new(void)188 status_bar_new (void)
189 {
190   return gtk_statusbar_new ();
191 }
192 
193 static gboolean
delete_event_cb(GtkWidget * widget,GdkEvent * event,gpointer data)194 delete_event_cb (GtkWidget *widget, GdkEvent *event, gpointer data)
195 {
196   gtk_main_quit ();
197   return FALSE;
198 }
199 
200 GtkWidget *
appwindow_new(void)201 appwindow_new (void)
202 {
203   GtkWidget *window;
204   GtkUIManager *ui;
205   GtkWidget *vbox;
206   GtkWidget *widget;
207 
208   window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
209   gtk_window_set_title (GTK_WINDOW (window), "Main window");
210   g_signal_connect (window, "delete-event",
211 		    G_CALLBACK (delete_event_cb), NULL);
212 
213   ui = uimanager_new ();
214   g_signal_connect_swapped (window, "destroy",
215 			    G_CALLBACK (g_object_unref), ui);
216 
217   vbox = gtk_vbox_new (FALSE, 0);
218   gtk_container_add (GTK_CONTAINER (window), vbox);
219 
220   widget = menubar_new (ui);
221   gtk_box_pack_start (GTK_BOX (vbox), widget, FALSE, FALSE, 0);
222 
223   widget = toolbar_new (ui);
224   gtk_box_pack_start (GTK_BOX (vbox), widget, FALSE, FALSE, 0);
225 
226   widget = content_area_new ();
227   gtk_box_pack_start (GTK_BOX (vbox), widget, TRUE, TRUE, 0);
228 
229   widget = status_bar_new ();
230   gtk_box_pack_end (GTK_BOX (vbox), widget, FALSE, FALSE, 0);
231 
232   return window;
233 }
234