]> git.draconx.ca Git - rrace.git/blobdiff - src/motif_ui.c
Fix some missing #includes.
[rrace.git] / src / motif_ui.c
index 0708b4029ba41152c6d3740f9ab3028b5707b904..64fe228cea14fddd1388197f8d04fcb2a666eabf 100644 (file)
@@ -1,6 +1,6 @@
 /*
  * X11 GUI for slide puzzle game
- * Copyright © 2022 Nick Bowler
+ * Copyright © 2022-2023 Nick Bowler
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  */
 
 #include <config.h>
+#include <stdio.h>
+#include <stdlib.h>
 #include <inttypes.h>
 #include <assert.h>
 #include <Xm/XmAll.h>
 
 #include "motif.h"
 #include "motifgui.h"
-
-#define SPLIT_NUMERATOR    75
-#define SPLIT_DENOMINATOR 100
-
-#define MIN(a, b) ((a) < (b) ? (a) : (b))
-
-static void game_configure(Widget w);
+#include "xcounter.h"
+#include "version.h"
+
+#define tree_strtab strtab
+
+/* XXX generate this list? */
+enum {
+       widgetMainWindow,
+       widgetForm,
+       widgetFrame,
+       widgetDrawingArea,
+       widgetCascadeButton,
+       widgetPushButton,
+       widgetMax,
+
+       /* Pseudo-widgets */
+       widgetMenuBar = widgetMax,
+       widgetMessageDialog,
+       widgetScrolledText,
+
+       widgetUnmanaged = 128
+};
+
+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 void
-ResizeGameArea(Widget form, XEvent *e, String *args, Cardinal *num_args)
-{
-       Widget game = XtNameToWidget(form, &tree_strtab[gameArea]);
-       Widget goal = XtNameToWidget(form, &tree_strtab[goalArea]);
-       Dimension w, h, gamesz, gameborder, goalsz, goalborder;
-       int x, y, gap;
+static const struct ui_menuitem {
+       struct ui_widget w;
+       uint_least16_t label;
+} mainmenu[] = { MAINMENU_INITIALIZER };
 
-       XtVaGetValues(form, XmNwidth, &w, XmNheight, &h, (char *)NULL);
-       XtVaGetValues(game, XmNshadowThickness, &gameborder, (char *)NULL);
-       XtVaGetValues(goal, XmNshadowThickness, &goalborder,
-                           XmNleftOffset, &gap,
-                           (char *)NULL);
+static char *timer_text(int_fast32_t ms, char *buf)
+{
+       unsigned min, sec;
 
-       gamesz = MIN(h, w * SPLIT_NUMERATOR / SPLIT_DENOMINATOR);
-       gamesz = 5*( (gamesz - 2*gameborder)/5 ) + 2*gameborder;
+       sec = ms / 1000, ms %= 1000;
+       min = sec / 60, sec %= 60;
+       sprintf(buf, "Time: %u:%.2u.%.3u", min, sec, (unsigned)ms);
 
-       goalsz = MIN(gamesz*3/5, w - gamesz - gap);
-       goalsz = 3*( (goalsz - 2*goalborder)/3 ) + 2*goalborder;
+       return buf;
+}
 
-       x = (w - gamesz - goalsz - gap) / 2;
-       if (x < 2) x = 0;
+void ui_timer_update(struct app_state *state, int_fast32_t ms)
+{
+       char buf[100];
 
-       y = (h - gamesz) / 2;
-       if (y < 3) y = 0;
+       if (ms < 0) {
+               xcounter_update(state->timer, "\n");
+               return;
+       }
 
-       XtVaSetValues(game, XmNleftOffset, x, XmNtopOffset, y, (char *)NULL);
-       XtVaSetValues(game, XmNwidth, gamesz, XmNheight, gamesz, (char *)NULL);
-       XtVaSetValues(goal, XmNwidth, goalsz, XmNheight, goalsz, (char *)NULL);
+       xcounter_update(state->timer, timer_text(ms, buf));
 }
 
-static void game_configure(Widget form)
+static void configure_mainwin(struct app_state *state, Widget form)
 {
        Widget gamearea = XtNameToWidget(form, &tree_strtab[gameArea]);
        Widget goalarea = XtNameToWidget(form, &tree_strtab[goalArea]);
+       Widget timer = XtNameToWidget(form, &tree_strtab[timeDisplay]);
        XtActionsRec resize_rec;
+       char xc_template[100];
 
-       assert(gamearea && goalarea);
-       XtVaSetValues(form, XmNfractionBase, SPLIT_DENOMINATOR, (char *)NULL);
+       assert(gamearea && goalarea && timer);
 
-       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);
 
-       resize_rec.string = "ResizeGameArea";
-       resize_rec.proc = ResizeGameArea;
-       XtAppAddActions(XtWidgetToApplicationContext(form), &resize_rec, 1);
+       XtVaSetValues(timer, XmNleftAttachment, XmATTACH_WIDGET,
+                            XmNleftWidget, gamearea,
+                            XmNtopAttachment, XmATTACH_WIDGET,
+                            XmNtopWidget, goalarea,
+                            XmNrightAttachment, XmATTACH_FORM,
+                            (char *)NULL);
+       state->timer = xcounter_simple_init(timer, timer_text(0, xc_template));
+       ui_timer_update(state, -1);
+
        XtOverrideTranslations(form, XtParseTranslationTable(
                "<Configure>: ResizeGameArea()\n"
                "<Map>: ResizeGameArea()\n"
        ));
+
+       /*
+        * Performing the initial update of the layout seems to avoid
+        * some weird initial sizing problems on Motif 2.1
+        */
+       XtCallActionProc(form, "ResizeGameArea", 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];
+       unsigned type = item->widget_type & widgetUnmanaged-1;
+
+       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(type < widgetMax);
+       return XtCreateWidget(name, *widgets[type], parent, args, num_args);
 }
 
 static void
@@ -105,49 +159,191 @@ 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);
+               if (!(item->widget_type & widgetUnmanaged))
+                       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)
+/* Figure out which tiles intersect a rectangle. */
+static uint_fast32_t x11_expose_mask(XExposeEvent *e, int tile_sz)
 {
-       Dimension width, height;
+       return board_rect( e->x/tile_sz,
+                          e->y/tile_sz,
+                         (e->x+e->width-1)/tile_sz,
+                         (e->y+e->height-1)/tile_sz );
+}
 
-       XtVaGetValues(w, XmNwidth, &width, XmNheight, &height, (char *)NULL);
+static void resize(Widget w, void *data, void *cb_data)
+{
+       struct app_state *state = data;
 
-       printf("game %ux%u\n", width, height);
+       x11_queue_render(data, -1, 1 << (w == state->game));
 }
 
-static void goal_resize(Widget w, void *data, void *cb_data)
+static void expose(Widget w, void *data, void *cb_data)
 {
-       Dimension width, height;
-
-       XtVaGetValues(w, XmNwidth, &width, XmNheight, &height, (char *)NULL);
+       XmDrawingAreaCallbackStruct *cbs = cb_data;
+       XExposeEvent *e = &cbs->event->xexpose;
+       struct app_state *state = data;
+       uint_fast32_t mask;
+       Dimension tile_sz;
+
+       if (w == state->game) {
+               uint_least32_t *gp = state->board.game;
+
+               /*
+                * Only draw exposed nonempty tiles; exposed areas are filled
+                * with the background automatically and thus exposed empty
+                * spaces don't need to be drawn again.
+                */
+               tile_sz = state->game_tile_sz;
+               mask = gp[0] | gp[1] | gp[2];
+       } else {
+               /* Goal area never has empty tiles. */
+               tile_sz = state->goal_tile_sz;
+               mask = -1;
+       }
 
-       printf("goal %ux%u\n", width, height);
+       if (tile_sz)
+               mask &= x11_expose_mask(e, tile_sz);
+       x11_queue_render(state, mask, 1<<(w == state->game));
 }
 
-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, &strtab[glob_menuBar]);
+       construct_menu(mainmenu, menubar, 0);
+
+       help = XtNameToWidget(menubar, tree_strtab+helpMenu);
+       XtVaSetValues(menubar, XmNmenuHelpWidget, help, (char *)NULL);
 
-       XtAddCallback(game, XmNresizeCallback, game_resize, NULL);
-       XtAddCallback(goal, XmNresizeCallback, goal_resize, NULL);
+       configure_mainwin(state, XtNameToWidget(shell, &strtab[glob_game]));
+
+       XtAddCallback(state->game, XmNresizeCallback, resize, state);
+       XtAddCallback(state->game, XmNexposeCallback, expose, state);
+       XtAddCallback(state->goal, XmNresizeCallback, resize, state);
+       XtAddCallback(state->goal, XmNexposeCallback, 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, &strtab[glob_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, XmSTRING,
+#if HAVE_MOTIF_PIXMAP_AND_STRING
+                        XmNlabelType, XmPIXMAP_AND_STRING,
+#endif
+                        XmNlabelPixmap, state->icon_pixmap,
+                        STRING_ARG(XmNlabelString, msg),
+                        (char *)NULL);
+       free(msg);
+
+       l = XtNameToWidget(w, &strtab[glob_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);
 }