X-Git-Url: http://git.draconx.ca/gitweb/rrace.git/blobdiff_plain/3d33a915bbe605b0dc98a28666d9c17ee464e156..da31028b3c2dfdb4d203fd9481568fe01d16926e:/src/motif_ui.c

diff --git a/src/motif_ui.c b/src/motif_ui.c
index a49dfec..05721e0 100644
--- a/src/motif_ui.c
+++ b/src/motif_ui.c
@@ -25,6 +25,7 @@
 #include "motifstr.h"
 #include "motifgui.h"
 #include "xcounter.h"
+#include "version.h"
 
 #define SPLIT_NUMERATOR    75
 #define SPLIT_DENOMINATOR 100
@@ -42,7 +43,11 @@ enum {
 	widgetMax,
 
 	/* Pseudo-widgets */
-	widgetMenuBar = widgetMax
+	widgetMenuBar = widgetMax,
+	widgetMessageDialog,
+	widgetScrolledText,
+
+	widgetUnmanaged = 128
 };
 
 static WidgetClass * const widgets[widgetMax] = {
@@ -171,14 +176,19 @@ static Widget create_widget(const struct ui_widget *item, Widget parent,
                             ArgList args, Cardinal num_args)
 {
 	String name = (void *)&tree_strtab[item->name];
-	WidgetClass class;
+	unsigned type = item->widget_type & widgetUnmanaged-1;
 
-	if (item->widget_type == widgetMenuBar)
+	switch (type) {
+	case widgetMenuBar:
 		return XmCreateMenuBar(parent, name, args, num_args);
+	case widgetMessageDialog:
+		return XmCreateMessageDialog(parent, name, args, num_args);
+	case widgetScrolledText:
+		return XmCreateScrolledText(parent, name, args, num_args);
+	}
 
-	assert(item->widget_type < widgetMax);
-	class = *widgets[item->widget_type];
-	return XtCreateWidget(name, class, parent, args, num_args);
+	assert(type < widgetMax);
+	return XtCreateWidget(name, *widgets[type], parent, args, num_args);
 }
 
 static void
@@ -192,7 +202,8 @@ construct_widgets(const struct ui_widget *root, Widget parent, unsigned i)
 		if (item->subtree)
 			construct_widgets(root, w, item->subtree);
 
-		XtManageChild(w);
+		if (!(item->widget_type & widgetUnmanaged))
+			XtManageChild(w);
 	}
 }
 
@@ -365,3 +376,63 @@ void ui_initialize(struct app_state *state, Widget shell)
 	XtAddCallback(state->goal, XmNresizeCallback, goal_resize, state);
 	XtAddCallback(state->goal, XmNexposeCallback, goal_expose, state);
 }
+
+static void dialog_close(Widget w, void *data, void *cb_data)
+{
+	XtDestroyWidget(w);
+}
+
+/*
+ * Expands to an XtVaSetValues argument list to set the given resource with
+ * a typed string value, which is internally converted to the appropriate
+ * resource type.
+ *
+ * Note that str is expanded twice and thus should not have side effects.
+ */
+#define STRING_ARG(resource, str) \
+	XtVaTypedArg, (resource), XtRString, (str), strlen((str))+1
+
+void ui_show_about(struct app_state *state, Widget shell)
+{
+	static const struct ui_widget dialog[] = { ABOUTDIALOG_INITIALIZER };
+	Widget w, l;
+	char *msg;
+
+	construct_widgets(dialog, shell, 0);
+
+	w = XtNameToWidget(shell, "*aboutDialog");
+	XtUnmanageChild(XmMessageBoxGetChild(w, XmDIALOG_CANCEL_BUTTON));
+
+	XtAddCallback(w, XmNunmapCallback, dialog_close, NULL);
+
+	XtVaSetValues(w, STRING_ARG(XmNokLabelString, "Close"), (char *)NULL);
+
+	msg = version_format_head("rrace-motif");
+	l = XmMessageBoxGetChild(w, XmDIALOG_MESSAGE_LABEL);
+	XtVaSetValues(l, XmNlabelType, XmPIXMAP_AND_STRING,
+	                 XmNlabelPixmap, state->icon_pixmap,
+	                 STRING_ARG(XmNlabelString, msg),
+	                 (char *)NULL);
+	free(msg);
+
+	l = XtNameToWidget(w, "*licenseBlurb");
+	XmTextSetString(l,
+"This program is free software: you can redistribute it and/or modify\n"
+"it under the terms of the GNU General Public License as published by\n"
+"the Free Software Foundation, either version 3 of the License, or\n"
+"(at your option) any later version.\n\n"
+"This program is distributed in the hope that it will be useful,\n"
+"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
+"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n"
+"GNU General Public License for more details.\n\n"
+"You should have received a copy of the GNU General Public License\n"
+"along with this program.  If not, see <https://www.gnu.org/licenses/>.");
+
+	XtVaSetValues(l, XmNeditMode, XmMULTI_LINE_EDIT,
+	                 XmNeditable, FALSE,
+	                 XmNresizeWidth, TRUE,
+			 XmNrows, 5,
+	                 (char *)NULL);
+
+	XtManageChild(w);
+}