]> git.draconx.ca Git - rrace.git/blobdiff - src/motif_ui.c
Right clicking on game area now shows the objective.
[rrace.git] / src / motif_ui.c
index 0708b4029ba41152c6d3740f9ab3028b5707b904..eca3e797605d5f42d910439144ac425782a31b4c 100644 (file)
@@ -22,6 +22,7 @@
 #include <Xm/XmAll.h>
 
 #include "motif.h"
+#include "motifstr.h"
 #include "motifgui.h"
 
 #define SPLIT_NUMERATOR    75
 
 #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);
 
@@ -99,55 +123,223 @@ 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);
        }
 }
 
 static void game_resize(Widget w, void *data, void *cb_data)
 {
+       if (XtIsRealized(w))
+               x11_redraw_game(data, -1);
+}
+
+static void goal_resize(Widget w, void *data, void *cb_data)
+{
+       if (XtIsRealized(w))
+               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)) {
+                       printf("You win!\n");
+                       game_finish(&state->board);
+               }
+
+               /* 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 *b = &cbs->event->xbutton;
+       struct app_state *state = data;
+       Dimension width, height;
+
+       switch (cbs->event->type) {
+       case ButtonPress:
+               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;
 
        XtVaGetValues(w, XmNwidth, &width, XmNheight, &height, (char *)NULL);
+       if (!(width /= 5) || !(height /= 5))
+               return;
 
-       printf("game %ux%u\n", width, height);
+       mask = expose_mask(e->x, e->y, e->width, e->height, width, height);
+       x11_redraw_game(data, mask);
 }
 
-static void goal_resize(Widget w, void *data, void *cb_data)
+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;
 
-       printf("goal %ux%u\n", width, height);
+       mask = expose_mask(e->x, e->y, e->width, e->height, width, height);
+       x11_redraw_goal(data, mask);
 }
 
-void ui_initialize(Widget shell)
+void ui_initialize(struct app_state *state, Widget shell)
 {
-       Widget game, goal;
+       Widget menubar, help;
 
        construct_widgets(mainwin, shell, 0);
 
-       game = XtNameToWidget(shell, "*gameCanvas");
-       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_expose, state);
+       XtAddCallback(state->game, XmNinputCallback,  game_input,  state);
 
-       XtAddCallback(game, XmNresizeCallback, game_resize, NULL);
-       XtAddCallback(goal, XmNresizeCallback, goal_resize, NULL);
+       state->goal = XtNameToWidget(shell, "*goalCanvas");
+       XtAddCallback(state->goal, XmNresizeCallback, goal_resize, state);
+       XtAddCallback(state->goal, XmNexposeCallback, goal_expose, state);
 }