X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Flibgame%2Fgadgets.c;h=e788b754366263ee773818a0f8362cba0880f7a2;hb=e5804efb99033c96d71c37ce89f60e1ee23b7004;hp=cbe1cabc2e23200c04961b7733fa49ce4db9fa99;hpb=1651b494b33800344452c3e88fa54412063393ab;p=rocksndiamonds.git

diff --git a/src/libgame/gadgets.c b/src/libgame/gadgets.c
index cbe1cabc..e788b754 100644
--- a/src/libgame/gadgets.c
+++ b/src/libgame/gadgets.c
@@ -4,7 +4,7 @@
 // (c) 1995-2014 by Artsoft Entertainment
 //     		    Holger Schemel
 //		    info@artsoft.org
-//		    http://www.artsoft.org/
+//		    https://www.artsoft.org/
 // ----------------------------------------------------------------------------
 // gadgets.c
 // ============================================================================
@@ -78,7 +78,7 @@ static int getNewGadgetID(void)
   }
 
   if (next_free_gadget_id <= 0)		// cannot get new gadget id
-    Error(ERR_EXIT, "too much gadgets -- this should not happen");
+    Fail("too much gadgets -- this should not happen");
 
   return id;
 }
@@ -423,9 +423,9 @@ static void DrawGadget(struct GadgetInfo *gi, boolean pressed, boolean direct)
 				   gi->height - 2 * border_y);
 
 	// gadget text value
-	DrawTextBuffer(gi->x + border_x, gi->y + border_y, gi->textarea.value,
-		       font_nr, gi->textarea.xsize, -1, gi->textarea.ysize, 0,
-		       BLIT_ON_BACKGROUND, FALSE, FALSE, FALSE);
+	DrawTextArea(gi->x + border_x, gi->y + border_y, gi->textarea.value,
+		     font_nr, gi->textarea.xsize, -1, gi->textarea.ysize, 0,
+		     BLIT_ON_BACKGROUND, FALSE, FALSE, FALSE);
 
 	cursor_letter = gi->textarea.value[gi->textarea.cursor_position];
 	cursor_string[0] = (cursor_letter != '\0' ? cursor_letter : ' ');
@@ -879,7 +879,7 @@ static void HandleGadgetTags(struct GadgetInfo *gi, int first_tag, va_list ap)
 {
   int tag = first_tag;
 
-  if (gi == NULL || gi->deactivated)
+  if (gi == NULL)
     return;
 
   while (tag != GDI_END)
@@ -1207,7 +1207,7 @@ static void HandleGadgetTags(struct GadgetInfo *gi, int first_tag, va_list ap)
 	break;
 
       default:
-	Error(ERR_EXIT, "HandleGadgetTags(): unknown tag %d", tag);
+	Fail("HandleGadgetTags(): unknown tag %d", tag);
     }
 
     tag = va_arg(ap, int);	// read next tag
@@ -1268,7 +1268,7 @@ static void HandleGadgetTags(struct GadgetInfo *gi, int first_tag, va_list ap)
     gi->height = 2 * border_ysize + font_height;
 
     if (gi->selectbox.options == NULL)
-      Error(ERR_EXIT, "selectbox gadget incomplete (missing options array)");
+      Fail("selectbox gadget incomplete (missing options array)");
 
     gi->selectbox.num_values = 0;
     while (gi->selectbox.options[gi->selectbox.num_values].text != NULL)
@@ -1330,7 +1330,7 @@ static void HandleGadgetTags(struct GadgetInfo *gi, int first_tag, va_list ap)
 
     if (gi->width == 0 || gi->height == 0 ||
 	gs->items_max == 0 || gs->items_visible == 0)
-      Error(ERR_EXIT, "scrollbar gadget incomplete (missing tags)");
+      Fail("scrollbar gadget incomplete (missing tags)");
 
     // calculate internal scrollbar values
     gs->size_min = (gi->type == GD_TYPE_SCROLLBAR_VERTICAL ?
@@ -1711,7 +1711,7 @@ boolean HandleGadgets(int mx, int my, int button)
     struct GadgetInfo *gi = last_gi;
     boolean gadget_changed = ((gi->event_mask & GD_EVENT_TEXT_LEAVING) != 0);
 
-    // check if text gadget has changed its value
+    // check if text input gadget has changed its value
     if (gi->type & GD_TYPE_TEXT_INPUT)
     {
       CheckRangeOfNumericInputGadget(gi);
@@ -1722,6 +1722,15 @@ boolean HandleGadgets(int mx, int my, int button)
 	gadget_changed = FALSE;
     }
 
+    // check if text area gadget has changed its value
+    if (gi->type & GD_TYPE_TEXT_AREA)
+    {
+      if (!strEqual(gi->textarea.last_value, gi->textarea.value))
+	strcpy(gi->textarea.last_value, gi->textarea.value);
+      else
+	gadget_changed = FALSE;
+    }
+
     // selectbox does not change its value when closed by clicking outside
     if (gi->type & GD_TYPE_SELECTBOX)
       gadget_changed = FALSE;
@@ -1925,7 +1934,7 @@ boolean HandleGadgets(int mx, int my, int button)
     if (gadget_pressed)		// gadget pressed the first time
     {
       // initialize delay counter
-      DelayReached(&pressed_delay, 0);
+      ResetDelayCounter(&pressed_delay);
 
       // start gadget delay with longer delay after first click on gadget
       pressed_delay_value = GADGET_FRAME_DELAY_FIRST;
@@ -2228,12 +2237,34 @@ boolean HandleGadgetsKeyInput(Key key)
   {
     if (anyTextGadgetActive())
     {
+      boolean gadget_changed = ((gi->event_mask & GD_EVENT_TEXT_LEAVING) != 0);
+
       // restore previous text (before activating text gadget)
       if (gi->type & GD_TYPE_TEXT_INPUT)
+      {
 	strcpy(gi->textinput.value, gi->textinput.last_value);
 
+	CheckRangeOfNumericInputGadget(gi);
+      }
+
+      // store current text for text area gadgets when pressing "Escape" key
+      if (gi->type & GD_TYPE_TEXT_AREA)
+      {
+	if (!strEqual(gi->textarea.last_value, gi->textarea.value))
+	  strcpy(gi->textarea.last_value, gi->textarea.value);
+	else
+	  gadget_changed = FALSE;
+      }
+
       DrawGadget(gi, DG_UNPRESSED, gi->direct_draw);
 
+      if (gi->type & GD_TYPE_TEXT_AREA)
+      {
+	gi->event.type = GD_EVENT_TEXT_LEAVING;
+
+	DoGadgetCallbackAction(gi, gadget_changed);
+      }
+
       last_gi = NULL;
 
       StopTextInput();
@@ -2323,6 +2354,18 @@ boolean HandleGadgetsKeyInput(Key key)
       strcpy(text, gi->textinput.value);
       strcpy(&gi->textinput.value[cursor_pos], &text[cursor_pos + 1]);
 
+      DrawGadget(gi, DG_PRESSED, gi->direct_draw);
+    }
+    else if (key == KSYM_Home && cursor_pos > 0)
+    {
+      gi->textinput.cursor_position = 0;
+
+      DrawGadget(gi, DG_PRESSED, gi->direct_draw);
+    }
+    else if (key == KSYM_End && cursor_pos < text_length)
+    {
+      gi->textinput.cursor_position = text_length;
+
       DrawGadget(gi, DG_PRESSED, gi->direct_draw);
     }
   }
@@ -2332,6 +2375,7 @@ boolean HandleGadgetsKeyInput(Key key)
     int text_length = strlen(gi->textarea.value);
     int area_ysize = gi->textarea.ysize;
     int cursor_x_pref = gi->textarea.cursor_x_preferred;
+    int cursor_x = gi->textarea.cursor_x;
     int cursor_y = gi->textarea.cursor_y;
     int cursor_pos = gi->textarea.cursor_position;
     char letter = getCharFromKey(key);
@@ -2383,6 +2427,25 @@ boolean HandleGadgetsKeyInput(Key key)
       strcpy(text, gi->textarea.value);
       strcpy(&gi->textarea.value[cursor_pos], &text[cursor_pos + 1]);
 
+      DrawGadget(gi, DG_PRESSED, gi->direct_draw);
+    }
+    else if (key == KSYM_Home && cursor_x > 0)
+    {
+      setTextAreaCursorPosition(gi, gi->textarea.cursor_position - cursor_x);
+
+      DrawGadget(gi, DG_PRESSED, gi->direct_draw);
+    }
+    else if (key == KSYM_End && cursor_pos < text_length)
+    {
+      int last_cursor_pos = cursor_pos;
+
+      while (gi->textarea.value[cursor_pos] != '\0' &&
+	     gi->textarea.value[cursor_pos] != '\n')
+	cursor_pos++;
+
+      setTextAreaCursorPosition(gi, gi->textarea.cursor_position + cursor_pos -
+				last_cursor_pos);
+
       DrawGadget(gi, DG_PRESSED, gi->direct_draw);
     }
   }