Set up a clang-cl makefile.

[sgt-puzzles.git] / emcc.c

diff --git a/emcc.c b/emcc.c
index baf12d32e78b01a05a1e8b2ee37c5dc4f8d67b1f..ca033cbd471a0f20258b4617f4b864254c4a2d80 100644 (file)
--- a/emcc.c
+++ b/emcc.c
@@ -21,12 +21,6 @@
  *    by using the DOM File API to ask the user to select a file and
  *    permit us to see its contents.
  *
- *  - it ought to be possible to make the puzzle canvases resizable,
- *    by superimposing some kind of draggable resize handle. Also I
- *    quite like the idea of having a few buttons for standard sizes:
- *    reset to default size, maximise to the browser window dimensions
- *    (if we can find those out), and perhaps even go full-screen.
- *
  *  - I should think about whether these webified puzzles can support
  *    touchscreen-based tablet browsers (assuming there are any that
  *    can cope with the reasonably modern JS and run it fast enough to
@@ -54,7 +48,9 @@
  */
 
 #include <assert.h>
+#include <stdio.h>
 #include <string.h>
+#include <stdarg.h>
 
 #include "puzzles.h"
 
@@ -65,7 +61,8 @@ extern void js_debug(const char *);
 extern void js_error_box(const char *message);
 extern void js_remove_type_dropdown(void);
 extern void js_remove_solve_button(void);
-extern void js_add_preset(const char *name);
+extern void js_add_preset(int menuid, const char *name, int value);
+extern int js_add_preset_submenu(int menuid, const char *name);
 extern int js_get_selected_preset(void);
 extern void js_select_preset(int n);
 extern void js_get_date_64(unsigned *p);
@@ -194,10 +191,12 @@ void timer_callback(double tplus)
 }
 
 /* ----------------------------------------------------------------------
- * Helper function to resize the canvas, and variables to remember its
- * size for other functions (e.g. trimming blitter rectangles).
+ * Helper functions to resize the canvas, and variables to remember
+ * its size for other functions (e.g. trimming blitter rectangles).
  */
 static int canvas_w, canvas_h;
+
+/* Called when we resize as a result of changing puzzle settings */
 static void resize(void)
 {
     int w, h;
@@ -208,6 +207,26 @@ static void resize(void)
     canvas_h = h;
 }
 
+/* Called from JS when the user uses the resize handle */
+void resize_puzzle(int w, int h)
+{
+    midend_size(me, &w, &h, TRUE);
+    if (canvas_w != w || canvas_h != h) { 
+        js_canvas_set_size(w, h);
+        canvas_w = w;
+        canvas_h = h;
+        midend_force_redraw(me);
+    }
+}
+
+/* Called from JS when the user uses the restore button */
+void restore_puzzle_size(int w, int h)
+{
+    midend_reset_tilesize(me);
+    resize();
+    midend_force_redraw(me);
+}
+
 /*
  * HTML doesn't give us a default frontend colour of its own, so we
  * just make up a lightish grey ourselves.
@@ -299,6 +318,8 @@ void key(int keycode, int charcode, const char *key, const char *chr,
         keyevent = keycode + (shift ? 0 : 32);
     } else if (keycode >= 48 && keycode <= 57) {
         keyevent = keycode;
+    } else if (keycode == 32) {        /* space / CURSOR_SELECT2 */
+        keyevent = keycode;
     }
 
     if (keyevent >= 0) {
@@ -532,6 +553,21 @@ static game_params **presets;
 static int npresets;
 int have_presets_dropdown;
 
+void populate_js_preset_menu(int menuid, struct preset_menu *menu)
+{
+    int i;
+    for (i = 0; i < menu->n_entries; i++) {
+        struct preset_menu_entry *entry = &menu->entries[i];
+        if (entry->params) {
+            presets[entry->id] = entry->params;
+            js_add_preset(menuid, entry->title, entry->id);
+        } else {
+            int js_submenu = js_add_preset_submenu(menuid, entry->title);
+            populate_js_preset_menu(js_submenu, entry->submenu);
+        }
+    }
+}
+
 void select_appropriate_preset(void)
 {
     if (have_presets_dropdown) {
@@ -676,7 +712,7 @@ void command(int n)
                 midend_redraw(me);
                 update_undo_redo();
                 js_focus_canvas();
-                select_appropriate_preset(); /* sort out Custom/Customise */
+                select_appropriate_preset();
             }
         }
         break;
@@ -767,25 +803,16 @@ int main(int argc, char **argv)
      * Set up the game-type dropdown with presets and/or the Custom
      * option.
      */
-    npresets = midend_num_presets(me);
-    if (npresets == 0) {
-        /*
-         * This puzzle doesn't have selectable game types at all.
-         * Completely remove the drop-down list from the page.
-         */
-        js_remove_type_dropdown();
-        have_presets_dropdown = FALSE;
-    } else {
-        int preset;
-
+    {
+        struct preset_menu *menu = midend_get_presets(me, &npresets);
         presets = snewn(npresets, game_params *);
-        for (i = 0; i < npresets; i++) {
-            char *name;
-            midend_fetch_preset(me, i, &name, &presets[i]);
-            js_add_preset(name);
-        }
+        for (i = 0; i < npresets; i++)
+            presets[i] = NULL;
+
+        populate_js_preset_menu(0, menu);
+
         if (thegame.can_configure)
-            js_add_preset(NULL);   /* the 'Custom' entry in the dropdown */
+            js_add_preset(0, "Custom", -1);
 
         have_presets_dropdown = TRUE;