#include <Xm/XmAll.h>
#include "motif.h"
+#include "motifstr.h"
#include "motifgui.h"
+#include "xcounter.h"
#define SPLIT_NUMERATOR 75
#define SPLIT_DENOMINATOR 100
#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)
{
XtVaSetValues(goal, XmNwidth, goalsz, XmNheight, goalsz, (char *)NULL);
}
-static void game_configure(Widget form)
+static char *timer_text(int_fast32_t ms, char *buf)
+{
+ unsigned min, sec;
+
+ sec = ms / 1000, ms %= 1000;
+ min = sec / 60, sec %= 60;
+ sprintf(buf, "Time: %u:%.2u.%.3u", min, sec, (unsigned)ms);
+
+ return buf;
+}
+
+void ui_timer_update(struct app_state *state, int_fast32_t ms)
+{
+ char buf[100];
+
+ if (ms < 0) {
+ xcounter_simple_update(state->timer, "\n");
+ return;
+ }
+
+ xcounter_simple_update(state->timer, timer_text(ms, buf));
+}
+
+static void configure_mainwin(struct app_state *state, Widget form)
{
Widget gamearea = XtNameToWidget(form, &tree_strtab[gameArea]);
Widget goalarea = XtNameToWidget(form, &tree_strtab[goalArea]);
XtActionsRec resize_rec;
+ char xc_template[100];
assert(gamearea && goalarea);
XtVaSetValues(form, XmNfractionBase, SPLIT_DENOMINATOR, (char *)NULL);
- XtVaSetValues(gamearea, //XmNrightAttachment, XmATTACH_POSITION,
- //XmNrightPosition, SPLIT_NUMERATOR,
- XmNleftAttachment, XmATTACH_FORM,
+ state->game = XtNameToWidget(gamearea, &tree_strtab[gameCanvas]);
+ XtVaSetValues(gamearea, XmNleftAttachment, XmATTACH_FORM,
XmNtopAttachment, XmATTACH_FORM,
(char *)NULL);
+ state->goal = XtNameToWidget(goalarea, &tree_strtab[goalCanvas]);
XtVaSetValues(goalarea, XmNleftAttachment, XmATTACH_WIDGET,
XmNleftWidget, gamearea,
XmNtopAttachment, XmATTACH_OPPOSITE_WIDGET,
XmNtopWidget, gamearea,
(char *)NULL);
+ state->timer = XtNameToWidget(form, &tree_strtab[timeDisplay]);
+ XtVaSetValues(state->timer, XmNleftAttachment, XmATTACH_WIDGET,
+ XmNleftWidget, gamearea,
+ XmNtopAttachment, XmATTACH_WIDGET,
+ XmNtopWidget, goalarea,
+ XmNrightAttachment, XmATTACH_FORM,
+ (char *)NULL);
+
+ xcounter_simple_setup(state->timer, timer_text(20000, xc_template));
+ ui_timer_update(state, -1);
+
resize_rec.string = "ResizeGameArea";
resize_rec.proc = ResizeGameArea;
XtAppAddActions(XtWidgetToApplicationContext(form), &resize_rec, 1);
"<Configure>: ResizeGameArea()\n"
"<Map>: ResizeGameArea()\n"
));
+
+ /*
+ * Performing the initial update of the layout seems to avoid
+ * some weird problems on Motif 2.1
+ */
+ ResizeGameArea(form, 0, 0, 0);
+}
+
+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
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);
}
}
+/* 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);
+}
+
+/*
+ * Calculate which tiles need to be redrawn after resizing. This is the
+ * tiles which (at the new size) are fully contained in the previous area.
+ *
+ * When shrinking, this is all tiles, but when enlarging, the generated
+ * expose events will trigger drawing of the new area.
+ */
+static uint_fast32_t resize_helper(Widget w, Dimension *oldsz, int gridsz)
+{
+ Dimension new_w, new_h, common_w, common_h;
+
+ if (!XtIsRealized(w))
+ return 0;
+
+ XtVaGetValues(w, XmNwidth, &new_w, XmNheight, &new_h, (char *)NULL);
+ common_w = MIN(new_w, oldsz[0]);
+ common_h = MIN(new_h, oldsz[1]);
+ oldsz[0] = new_w;
+ oldsz[1] = new_h;
+ new_w /= gridsz;
+ new_h /= gridsz;
+
+ /* Round down to multiple of tile dimensions */
+ common_w = common_w / new_w * new_w;
+ common_h = common_h / new_h * new_h;
+
+ if (new_w > 0 && new_h > 0)
+ return expose_mask(0, 0, common_w, common_h, new_w, new_h);
+ return 0;
+}
+
static void game_resize(Widget w, void *data, void *cb_data)
{
- if (XtIsRealized(w))
- x11_redraw_game(data);
+ struct app_state *state = data;
+ uint_fast32_t mask;
+
+ mask = resize_helper(w, state->game_sz, 5);
+ if (mask)
+ x11_redraw_game(data, mask);
}
static void goal_resize(Widget w, void *data, void *cb_data)
{
- if (XtIsRealized(w))
- x11_redraw_goal(data);
+ struct app_state *state = data;
+ uint_fast32_t mask;
+
+ mask = resize_helper(w, state->goal_sz, 3);
+ if (mask)
+ x11_redraw_goal(data, mask);
}
-static void game_input(Widget w, void *data, void *cb_data)
+static void game_expose(Widget w, void *data, void *cb_data)
{
XmDrawingAreaCallbackStruct *cbs = cb_data;
- XButtonEvent *click = &cbs->event->xbutton;
- struct app_state *state = data;
+ XExposeEvent *e = &cbs->event->xexpose;
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);
- }
+ 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);
+
+ configure_mainwin(state, XtNameToWidget(shell, "*game"));
+ XtVaGetValues(state->game, XmNwidth, &state->game_sz[0],
+ XmNheight, &state->game_sz[1],
+ (char *)NULL);
XtAddCallback(state->game, XmNresizeCallback, game_resize, state);
- XtAddCallback(state->game, XmNexposeCallback, game_resize, state);
- XtAddCallback(state->game, XmNinputCallback, game_input, state);
+ XtAddCallback(state->game, XmNexposeCallback, game_expose, state);
+ XtVaGetValues(state->game, XmNwidth, &state->goal_sz[0],
+ XmNheight, &state->goal_sz[1],
+ (char *)NULL);
XtAddCallback(state->goal, XmNresizeCallback, goal_resize, state);
- XtAddCallback(state->goal, XmNexposeCallback, goal_resize, state);
+ XtAddCallback(state->goal, XmNexposeCallback, goal_expose, state);
}
projects / rrace.git / blobdiff