rnd-19990104-2

[rocksndiamonds.git] / src / buttons.c

diff --git a/src/buttons.c b/src/buttons.c
index 2d6c173eb5a52145194fb3828f537d14d257113c..77c374376bae17aa3ed4224996fc564ef1b60eca 100644 (file)
--- a/src/buttons.c
+++ b/src/buttons.c
@@ -1586,7 +1586,35 @@ struct GadgetInfo *CreateGadget(int first_tag, ...)
        break;
 
       case GDI_TEXT_VALUE:
-       strcpy(new_gadget->text_value, va_arg(ap, char *));
+       {
+         int max_textsize = MAX_GADGET_TEXTSIZE;
+
+         if (new_gadget->text_size)
+           max_textsize = MIN(new_gadget->text_size, MAX_GADGET_TEXTSIZE - 1);
+
+         strncpy(new_gadget->text_value, va_arg(ap, char *), max_textsize);
+         new_gadget->text_value[max_textsize] = '\0';
+       }
+       break;
+
+      case GDI_TEXT_SIZE:
+       {
+         int tag_value = va_arg(ap, int);
+         int max_textsize = MIN(tag_value, MAX_GADGET_TEXTSIZE - 1);
+
+         new_gadget->text_size = max_textsize;
+         new_gadget->text_value[max_textsize] = '\0';
+
+         if (new_gadget->width == 0 && new_gadget->height == 0)
+         {
+           new_gadget->width = (new_gadget->text_size + 1) * FONT2_XSIZE + 6;
+           new_gadget->height = ED_WIN_COUNT_YSIZE;
+         }
+       }
+       break;
+
+      case GDI_TEXT_BORDER:
+       new_gadget->text_border = va_arg(ap, int);
        break;
 
       case GDI_DESIGN_UNPRESSED:
@@ -1735,12 +1763,52 @@ static void DrawGadget(struct GadgetInfo *gi, boolean pressed, boolean direct)
                             &gi->alt_design[state] :
                             &gi->design[state]);
 
-  if (gi->type != GD_TYPE_NORMAL_BUTTON &&
-      gi->type != GD_TYPE_RADIO_BUTTON)
-    return;
+  switch (gi->type)
+  {
+    case GD_TYPE_NORMAL_BUTTON:
+    case GD_TYPE_RADIO_BUTTON:
+      XCopyArea(display, gd->pixmap, drawto, gc,
+               gd->x, gd->y, gi->width, gi->height, gi->x, gi->y);
+      break;
 
-  XCopyArea(display, gd->pixmap, drawto, gc,
-           gd->x, gd->y, gi->width, gi->height, gi->x, gi->y);
+    case GD_TYPE_TEXTINPUT:
+      {
+       int i;
+
+       /* left part of gadget */
+       XCopyArea(display, gd->pixmap, drawto, gc,
+                 gd->x, gd->y,
+                 gi->text_border, gi->height,
+                 gi->x, gi->y);
+
+       /* middle part of gadget */
+       for (i=0; i<=gi->text_size; i++)
+         XCopyArea(display, gd->pixmap, drawto, gc,
+                   gd->x + gi->text_border, gd->y,
+                   FONT2_XSIZE, gi->height,
+                   gi->x + gi->text_border + i * FONT2_XSIZE, gi->y);
+
+       /* right part of gadget */
+       XCopyArea(display, gd->pixmap, drawto, gc,
+                 gd->x + ED_WIN_COUNT_XSIZE - gi->text_border, gd->y,
+                 gi->text_border, gi->height,
+                 gi->x + gi->width - gi->text_border, gi->y);
+
+       /* gadget text value */
+       DrawText(gi->x + gi->text_border, gi->y + gi->text_border,
+                gi->text_value, FS_SMALL, (pressed ? FC_GREEN : FC_YELLOW));
+
+       /* draw cursor, if active */
+       DrawText(gi->x + gi->text_border + strlen(gi->text_value)*FONT2_XSIZE,
+                gi->y + gi->text_border,
+                (pressed ? "<" : " "),
+                FS_SMALL, FC_RED);
+      }
+      break;
+
+    default:
+      return;
+  }
 
   if (direct)
     XCopyArea(display, drawto, window, gc,
@@ -1780,9 +1848,10 @@ void UnmapGadget(struct GadgetInfo *gi)
   gi->mapped = FALSE;
 }
 
+static struct GadgetInfo *last_gi = NULL;
+
 void HandleGadgets(int mx, int my, int button)
 {
-  static struct GadgetInfo *last_gi = NULL;
   static unsigned long pressed_delay = 0;
 
   struct GadgetInfo *new_gi, *gi;
@@ -1793,11 +1862,25 @@ void HandleGadgets(int mx, int my, int button)
   boolean gadget_released;
   boolean gadget_released_off_borders;
 
-  if (gadget_list_first_entry == NULL)
+  if (gadget_list_first_entry == NULL) /* no gadgets defined */
     return;
 
   new_gi = getGadgetInfoFromMousePosition(mx, my);
 
+  /* if mouse button pressed outside text input gadget, deactivate it */
+  if (last_gi && last_gi->type == GD_TYPE_TEXTINPUT &&
+      button != 0 && new_gi != last_gi && !motion_status)
+  {
+    struct GadgetInfo *gi = last_gi;
+
+    DrawGadget(gi, DG_UNPRESSED, DG_DIRECT);
+
+    if (gi->event_mask & GD_EVENT_TEXT_LEAVING)
+      gi->callback(gi);
+
+    last_gi = NULL;
+  }
+
   gadget_pressed =
     (button != 0 && last_gi == NULL && new_gi != NULL && !motion_status);
   gadget_pressed_repeated =
@@ -1811,12 +1894,15 @@ void HandleGadgets(int mx, int my, int button)
   gadget_released_off_borders =
     (button == 0 && last_gi != NULL && new_gi != last_gi);
 
+  /* if new gadget pressed, store this gadget  */
   if (gadget_pressed)
     last_gi = new_gi;
 
+  /* 'gi' is actually handled gadget */
   gi = last_gi;
 
-  if (button == 0)
+  /* if mouse button released, no gadget needs to be handled anymore */
+  if (button == 0 && last_gi && last_gi->type != GD_TYPE_TEXTINPUT)
     last_gi = NULL;
 
   if (gi)
@@ -1890,7 +1976,8 @@ void HandleGadgets(int mx, int my, int button)
 
   if (gadget_moving_off_borders)
   {
-    if (gi->state == GD_BUTTON_PRESSED)
+    if (gi->state == GD_BUTTON_PRESSED &&
+       gi->type != GD_TYPE_TEXTINPUT)
       DrawGadget(gi, DG_UNPRESSED, DG_DIRECT);
 
     gi->state = GD_BUTTON_UNPRESSED;
@@ -1904,7 +1991,8 @@ void HandleGadgets(int mx, int my, int button)
 
   if (gadget_released)
   {
-    DrawGadget(gi, DG_UNPRESSED, DG_DIRECT);
+    if (gi->type != GD_TYPE_TEXTINPUT)
+      DrawGadget(gi, DG_UNPRESSED, DG_DIRECT);
 
     gi->state = GD_BUTTON_UNPRESSED;
     gi->event.type = GD_EVENT_RELEASED;
@@ -1922,3 +2010,37 @@ void HandleGadgets(int mx, int my, int button)
       gi->callback(gi);
   }
 }
+
+void HandleGadgetsKeyInput(KeySym key)
+{
+  struct GadgetInfo *gi = last_gi;
+  int text_length;
+  char letter;
+
+  if (gi == NULL || gi->type != GD_TYPE_TEXTINPUT)
+    return;
+
+  text_length = strlen(gi->text_value);
+  letter = getCharFromKeySym(key);
+
+  if (letter && text_length < gi->text_size)
+  {
+    gi->text_value[text_length] = letter;
+    gi->text_value[text_length + 1] = '\0';
+    DrawGadget(gi, DG_PRESSED, DG_DIRECT);
+  }
+  else if ((key == XK_Delete || key == XK_BackSpace) && text_length > 0)
+  {
+    gi->text_value[text_length - 1] = '\0';
+    DrawGadget(gi, DG_PRESSED, DG_DIRECT);
+  }
+  else if (key == XK_Return)
+  {
+    DrawGadget(gi, DG_UNPRESSED, DG_DIRECT);
+
+    if (gi->event_mask & GD_EVENT_TEXT_RETURN)
+      gi->callback(gi);
+
+    last_gi = NULL;
+  }
+}