X-Git-Url: http://git.draconx.ca/gitweb/rrace.git/blobdiff_plain/2529a9651d160ab3a17118d778f5e5584d040765..991d1e7ca8ae3bee59619812e9f08bde8c17ad02:/src/motif_ui.c

diff --git a/src/motif_ui.c b/src/motif_ui.c
index fbef33b..c31d839 100644
--- a/src/motif_ui.c
+++ b/src/motif_ui.c
@@ -22,6 +22,7 @@
 #include <Xm/XmAll.h>
 
 #include "motif.h"
+#include "motifstr.h"
 #include "motifgui.h"
 
 #define SPLIT_NUMERATOR    75
@@ -29,15 +30,40 @@
 
 #define MIN(a, b) ((a) < (b) ? (a) : (b))
 
-static void game_configure(Widget w);
+/* XXX generate this list? */
+enum {
+	widgetMainWindow,
+	widgetForm,
+	widgetFrame,
+	widgetDrawingArea,
+	widgetCascadeButton,
+	widgetPushButton,
+	widgetMax,
+
+	/* Pseudo-widgets */
+	widgetMenuBar = widgetMax
+};
+
+static WidgetClass * const widgets[widgetMax] = {
+	&xmMainWindowWidgetClass,
+	&xmFormWidgetClass,
+	&xmFrameWidgetClass,
+	&xmDrawingAreaWidgetClass,
+	&xmCascadeButtonWidgetClass,
+	&xmPushButtonWidgetClass
+};
 
 static const struct ui_widget {
 	uint_least16_t name;
-	uint_least16_t subtree;
-	WidgetClass *class;
-	void (*configure)(Widget w);
+	uint_least8_t subtree;
+	uint_least8_t widget_type;
 } mainwin[] = { MAINWIN_INITIALIZER };
 
+static const struct ui_menuitem {
+	struct ui_widget w;
+	uint_least16_t label;
+} mainmenu[] = { MAINMENU_INITIALIZER };
+
 static void
 ResizeGameArea(Widget form, XEvent *e, String *args, Cardinal *num_args)
 {
@@ -78,9 +104,7 @@ static void game_configure(Widget form)
 	assert(gamearea && goalarea);
 	XtVaSetValues(form, XmNfractionBase, SPLIT_DENOMINATOR, (char *)NULL);
 
-	XtVaSetValues(gamearea, //XmNrightAttachment, XmATTACH_POSITION,
-	                        //XmNrightPosition, SPLIT_NUMERATOR,
-	                        XmNleftAttachment, XmATTACH_FORM,
+	XtVaSetValues(gamearea, XmNleftAttachment, XmATTACH_FORM,
 	                        XmNtopAttachment, XmATTACH_FORM,
 	                        (char *)NULL);
 
@@ -99,24 +123,82 @@ static void game_configure(Widget form)
 	));
 }
 
+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;
+
+	if (item->widget_type == widgetMenuBar)
+		return XmCreateMenuBar(parent, name, args, num_args);
+
+	assert(item->widget_type < widgetMax);
+	class = *widgets[item->widget_type];
+	return XtCreateWidget(name, class, parent, args, num_args);
+}
+
 static void
 construct_widgets(const struct ui_widget *root, Widget parent, unsigned i)
 {
 	const struct ui_widget *item;
 
 	for (item = &root[i]; item->name; item++) {
-		Widget w;
+		Widget w = create_widget(item, parent, NULL, 0);
 
-		w = XtCreateWidget(&tree_strtab[item->name], *item->class,
-		                   parent, NULL, 0);
-		if (item->subtree) {
+		if (item->subtree)
 			construct_widgets(root, w, item->subtree);
-		}
 
-		if (item->configure) {
-			item->configure(w);
+		XtManageChild(w);
+	}
+}
+
+static void menu_cb(Widget w, void *data, void *cb_data)
+{
+	XmRowColumnCallbackStruct *cbs = cb_data;
+	XtCallActionProc(cbs->widget, XtName(cbs->widget), cbs->event, NULL, 0);
+}
+
+static Widget create_pulldown(Widget parent)
+{
+	Widget w;
+
+	w = XmCreatePulldownMenu(parent, XtName(parent), NULL, 0);
+	XtVaSetValues(parent, XmNsubMenuId, w, (char *)NULL);
+	XtAddCallback(w, XmNentryCallback, menu_cb, NULL);
+
+	return w;
+}
+
+static void
+construct_menu(const struct ui_menuitem *root, Widget parent, unsigned i)
+{
+	const struct ui_menuitem *item;
+
+	for (item = &root[i]; item->w.name; item++) {
+		const char *label = &strtab[item->label];
+		unsigned n = 0;
+		Arg args[2];
+		XmString s;
+		Widget w;
+
+		if (XtClass(parent) == *widgets[widgetCascadeButton])
+			parent = create_pulldown(parent);
+
+		if (label[0] && label[1] == '|') {
+			XtSetArg(args[n], XmNmnemonic, label[0]); n++;
+			label += 2;
 		}
 
+		s = XmStringCreateLocalized((void *)label);
+		XtSetArg(args[n], XmNlabelString, s); n++;
+
+		w = create_widget(&item->w, parent, args, n);
+
+		XmStringFree(s);
+
+		if (item->w.subtree)
+			construct_menu(root, w, item->w.subtree);
+
 		XtManageChild(w);
 	}
 }
@@ -124,51 +206,150 @@ construct_widgets(const struct ui_widget *root, Widget parent, unsigned i)
 static void game_resize(Widget w, void *data, void *cb_data)
 {
 	if (XtIsRealized(w))
-		x11_redraw_game(data);
+		x11_redraw_game(data, -1);
 }
 
 static void goal_resize(Widget w, void *data, void *cb_data)
 {
 	if (XtIsRealized(w))
-		x11_redraw_goal(data);
+		x11_redraw_goal(data, -1);
+}
+
+static void do_input_move(struct app_state *state, int x, int y)
+{
+	uint_least32_t *gp = state->board.game, prev[4];
+
+	memcpy(prev, gp, sizeof prev);
+	if (game_do_move(&state->board, x, y) == 0) {
+		uint_least32_t mask;
+
+		if (game_check_goal(&state->board)) {
+			int_fast32_t ms = game_finish(&state->board);
+			unsigned min, sec;
+
+			/* Negative time just means clock jumps and
+			 * display headaches. */
+			if (ms < 0)
+				ms = 0;
+
+			sec = ms / 1000, ms %= 1000;
+			min = sec / 60, sec %= 60;
+			printf("You won!  Time was %u:%.2u:%.3u\n",
+			       min, sec, (unsigned)ms);
+		}
+
+		/* Figure out which tiles changed */
+		prev[0] ^= gp[0];
+		prev[1] ^= gp[1];
+		prev[2] ^= gp[2];
+		mask = prev[0] | prev[1] | prev[2];
+
+		x11_redraw_game(state, mask);
+	}
+}
+
+static void set_view_goal(struct app_state *state, int view_goal)
+{
+	state->view_goal_on_game = view_goal;
+	x11_redraw_game(state, GOAL_MASK);
 }
 
 static void game_input(Widget w, void *data, void *cb_data)
 {
 	XmDrawingAreaCallbackStruct *cbs = cb_data;
-	XButtonEvent *click = &cbs->event->xbutton;
+	XButtonEvent *b = &cbs->event->xbutton;
 	struct app_state *state = data;
 	Dimension width, height;
-	unsigned x = -1, y = -1;
 
 	switch (cbs->event->type) {
 	case ButtonPress:
-		XtVaGetValues(w, XmNwidth, &width,
-		                 XmNheight, &height,
-		                 (char *)NULL);
-		x = click->x / (width/5);
-		y = click->y / (width/5);
+		switch (b->button) {
+		case Button1:
+			if (b->state & Button3Mask)
+				break;
+
+			XtVaGetValues(w, XmNwidth, &width,
+			                 XmNheight, &height,
+			                 (char *)NULL);
+
+			do_input_move(state, b->x / (width / 5),
+			                     b->y / (height / 5));
+			break;
+		case Button3:
+			set_view_goal(state, 1);
+			break;
+		}
+		break;
+	case ButtonRelease:
+		switch (b->button) {
+		case Button3:
+			set_view_goal(state, 0);
+			break;
+		}
 	}
+}
+
+/* Figure out which tiles intersect a rectangle. */
+static uint_fast32_t
+expose_mask(int rect_x, int rect_y, int rect_w, int rect_h,
+                                    int tile_w, int tile_h)
+{
+	return board_right(rect_x / tile_w)
+	     & board_below(rect_y / tile_h)
+	     & board_above((rect_y + rect_h - 1) / tile_h)
+	     & board_left((rect_x + rect_w - 1) / tile_w);
+}
+
+static void game_expose(Widget w, void *data, void *cb_data)
+{
+	XmDrawingAreaCallbackStruct *cbs = cb_data;
+	XExposeEvent *e = &cbs->event->xexpose;
+	Dimension width, height;
+	uint_fast32_t mask;
 
-	if (x > 4 || y > 4)
+	XtVaGetValues(w, XmNwidth, &width, XmNheight, &height, (char *)NULL);
+	if (!(width /= 5) || !(height /= 5))
 		return;
 
-	if (game_do_move(&state->board, x, y) == 0) {
-		x11_redraw_game(state);
-	}
+	mask = expose_mask(e->x, e->y, e->width, e->height, width, height);
+	x11_redraw_game(data, mask);
+}
+
+static void goal_expose(Widget w, void *data, void *cb_data)
+{
+	XmDrawingAreaCallbackStruct *cbs = cb_data;
+	XExposeEvent *e = &cbs->event->xexpose;
+	Dimension width, height;
+	uint_fast32_t mask;
+
+	XtVaGetValues(w, XmNwidth, &width, XmNheight, &height, (char *)NULL);
+	if (!(width /= 3) || !(height /= 3))
+		return;
+
+	mask = expose_mask(e->x, e->y, e->width, e->height, width, height);
+	x11_redraw_goal(data, mask);
 }
 
 void ui_initialize(struct app_state *state, Widget shell)
 {
+	Widget menubar, help;
+
 	construct_widgets(mainwin, shell, 0);
 
-	state->game = XtNameToWidget(shell, "*gameCanvas");
-	state->goal = XtNameToWidget(shell, "*goalCanvas");
+	menubar = XtNameToWidget(shell, "*menuBar");
+	construct_menu(mainmenu, menubar, 0);
 
+	help = XtNameToWidget(menubar, "helpMenu");
+	XtVaSetValues(menubar, XmNmenuHelpWidget, help, (char *)NULL);
+
+	game_configure(XtNameToWidget(shell, "*game"));
+
+	state->game = XtNameToWidget(shell, "*gameCanvas");
 	XtAddCallback(state->game, XmNresizeCallback, game_resize, state);
-	XtAddCallback(state->game, XmNexposeCallback, game_resize, state);
+	XtAddCallback(state->game, XmNexposeCallback, game_expose, state);
 	XtAddCallback(state->game, XmNinputCallback,  game_input,  state);
 
+	state->goal = XtNameToWidget(shell, "*goalCanvas");
 	XtAddCallback(state->goal, XmNresizeCallback, goal_resize, state);
-	XtAddCallback(state->goal, XmNexposeCallback, goal_resize, state);
+	XtAddCallback(state->goal, XmNexposeCallback, goal_expose, state);
 }