added optional button to restart game (door, panel and touch variants)

[rocksndiamonds.git] / src / libgame / gadgets.c

diff --git a/src/libgame/gadgets.c b/src/libgame/gadgets.c
index 3c626c90fff3b3b8b33e23c31a6623a2d63eed9d..b917b43df0ffeabd65c22bbacf173fc571ec14b2 100644 (file)
--- a/src/libgame/gadgets.c
+++ b/src/libgame/gadgets.c
@@ -156,6 +156,16 @@ static struct GadgetInfo *getGadgetInfoFromMousePosition(int mx, int my,
       return gi;
   }
 
+  // full text areas may overlap other active gadgets, so check them first
+  for (gi = gadget_list_first_entry; gi != NULL; gi = gi->next)
+  {
+    if (gi->mapped && gi->active &&
+       gi->type & GD_TYPE_TEXT_AREA && gi->textarea.full_open &&
+       mx >= gi->textarea.full_x && mx < gi->textarea.full_x + gi->width &&
+       my >= gi->textarea.full_y && my < gi->textarea.full_y + gi->height)
+      return gi;
+  }
+
   // check all other gadgets
   for (gi = gadget_list_first_entry; gi != NULL; gi = gi->next)
   {
@@ -308,7 +318,7 @@ static void DrawGadget(struct GadgetInfo *gi, boolean pressed, boolean direct)
                               border_x, gi->height, gi->x, gi->y);
 
        // middle part of gadget
-       for (i=0; i < gi->textbutton.size; i++)
+       for (i = 0; i < gi->textbutton.size; i++)
          BlitBitmapOnBackground(gd->bitmap, drawto, gd->x + border_x, gd->y,
                                 font_width, gi->height,
                                 gi->x + border_x + i * font_width, gi->y);
@@ -336,15 +346,19 @@ static void DrawGadget(struct GadgetInfo *gi, boolean pressed, boolean direct)
        char text[MAX_GADGET_TEXTSIZE + 1];
        int font_nr = (pressed ? gi->font_active : gi->font);
        int font_width = getFontWidth(font_nr);
+       int font_height = getFontHeight(font_nr);
+       struct FontBitmapInfo *font = getFontBitmapInfo(font_nr);
        int border_x = gi->border.xsize;
        int border_y = gi->border.ysize;
+       int text_x = gi->x + font->draw_xoffset;
+       int text_y = gi->y + font->draw_yoffset;
 
        // left part of gadget
        BlitBitmapOnBackground(gd->bitmap, drawto, gd->x, gd->y,
                               border_x, gi->height, gi->x, gi->y);
 
        // middle part of gadget
-       for (i=0; i < gi->textinput.size + 1; i++)
+       for (i = 0; i < gi->textinput.size + 1; i++)
          BlitBitmapOnBackground(gd->bitmap, drawto, gd->x + border_x, gd->y,
                                 font_width, gi->height,
                                 gi->x + border_x + i * font_width, gi->y);
@@ -359,6 +373,15 @@ static void DrawGadget(struct GadgetInfo *gi, boolean pressed, boolean direct)
        strcpy(text, gi->textinput.value);
        strcat(text, " ");
 
+       // dirty workaround to erase text if input gadget font has draw offset
+       if (font->draw_xoffset != 0 || font->draw_yoffset != 0)
+         for (i = 0; i < gi->textinput.size + 1; i++)
+           BlitBitmapOnBackground(gd->bitmap, drawto,
+                                  gd->x + border_x, gd->y + border_y,
+                                  font_width, font_height,
+                                  text_x + border_x + i * font_width,
+                                  text_y + border_y);
+
        // gadget text value
        DrawTextExt(drawto,
                    gi->x + border_x, gi->y + border_y, text,
@@ -396,12 +419,50 @@ static void DrawGadget(struct GadgetInfo *gi, boolean pressed, boolean direct)
        int xsize = gi->textarea.xsize;
        int ysize = gi->textarea.ysize;
 
+       if (gi->textarea.cropped)
+       {
+         if (pressed)
+         {
+           x = gi->textarea.full_x;
+           y = gi->textarea.full_y;
+
+           if (!gi->textarea.full_open)
+           {
+             gi->textarea.full_open = TRUE;
+
+             // save background under fully opened text area
+             BlitBitmap(drawto, gfx.field_save_buffer,
+                        gi->textarea.full_x, gi->textarea.full_y,
+                        gi->width, gi->height,
+                        gi->textarea.full_x, gi->textarea.full_y);
+           }
+         }
+         else
+         {
+           width  = gi->textarea.crop_width;
+           height = gi->textarea.crop_height;
+           xsize = gi->textarea.crop_xsize;
+           ysize = gi->textarea.crop_ysize;
+
+           if (gi->textarea.full_open)
+           {
+             gi->textarea.full_open = FALSE;
+
+             // restore background under fully opened text area
+             BlitBitmap(gfx.field_save_buffer, drawto,
+                        gi->textarea.full_x, gi->textarea.full_y,
+                        gi->width, gi->height,
+                        gi->textarea.full_x, gi->textarea.full_y);
+           }
+         }
+       }
+
        // top left part of gadget border
        BlitBitmapOnBackground(gd->bitmap, drawto, gd->x, gd->y,
                               border_x, border_y, x, y);
 
        // top middle part of gadget border
-       for (i=0; i < xsize; i++)
+       for (i = 0; i < xsize; i++)
          BlitBitmapOnBackground(gd->bitmap, drawto, gd->x + border_x, gd->y,
                                 font_width, border_y,
                                 x + border_x + i * font_width, y);
@@ -413,7 +474,7 @@ static void DrawGadget(struct GadgetInfo *gi, boolean pressed, boolean direct)
                               x + width - border_x, y);
 
        // left and right part of gadget border for each row
-       for (i=0; i < ysize; i++)
+       for (i = 0; i < ysize; i++)
        {
          BlitBitmapOnBackground(gd->bitmap, drawto, gd->x, gd->y + border_y,
                                 border_x, font_height,
@@ -433,7 +494,7 @@ static void DrawGadget(struct GadgetInfo *gi, boolean pressed, boolean direct)
                               x, y + height - border_y);
 
        // bottom middle part of gadget border
-       for (i=0; i < xsize; i++)
+       for (i = 0; i < xsize; i++)
          BlitBitmapOnBackground(gd->bitmap, drawto,
                                 gd->x + border_x,
                                 gd->y + gd_height - border_y,
@@ -494,7 +555,7 @@ static void DrawGadget(struct GadgetInfo *gi, boolean pressed, boolean direct)
                               border_x, gi->height, gi->x, gi->y);
 
        // middle part of gadget
-       for (i=0; i < gi->selectbox.size; i++)
+       for (i = 0; i < gi->selectbox.size; i++)
          BlitBitmapOnBackground(gd->bitmap, drawto, gd->x + border_x, gd->y,
                                 font_width, gi->height,
                                 gi->x + border_x + i * font_width, gi->y);
@@ -547,7 +608,7 @@ static void DrawGadget(struct GadgetInfo *gi, boolean pressed, boolean direct)
                                 gi->selectbox.x, gi->selectbox.y);
 
          // top middle part of gadget border
-         for (i=0; i < gi->selectbox.size; i++)
+         for (i = 0; i < gi->selectbox.size; i++)
            BlitBitmapOnBackground(gd->bitmap, drawto, gd->x + border_x, gd->y,
                                   font_width, border_y,
                                   gi->selectbox.x + border_x + i * font_width,
@@ -568,7 +629,7 @@ static void DrawGadget(struct GadgetInfo *gi, boolean pressed, boolean direct)
                                 gi->selectbox.y);
 
          // left and right part of gadget border for each row
-         for (i=0; i < gi->selectbox.num_values; i++)
+         for (i = 0; i < gi->selectbox.num_values; i++)
          {
            BlitBitmapOnBackground(gd->bitmap, drawto, gd->x, gd->y + border_y,
                                   border_x, font_height,
@@ -590,7 +651,7 @@ static void DrawGadget(struct GadgetInfo *gi, boolean pressed, boolean direct)
                                 gi->selectbox.y + box_height - border_y);
 
          // bottom middle part of gadget border
-         for (i=0; i < gi->selectbox.size; i++)
+         for (i = 0; i < gi->selectbox.size; i++)
            BlitBitmapOnBackground(gd->bitmap, drawto,
                                   gd->x + border_x,
                                   gd->y + gi->height - border_y,
@@ -621,7 +682,7 @@ static void DrawGadget(struct GadgetInfo *gi, boolean pressed, boolean direct)
                                     gi->selectbox.height - 2 * border_y);
 
          // selectbox text values
-         for (i=0; i < gi->selectbox.num_values; i++)
+         for (i = 0; i < gi->selectbox.num_values; i++)
          {
            int mask_mode = BLIT_MASKED;
 
@@ -696,7 +757,7 @@ static void DrawGadget(struct GadgetInfo *gi, boolean pressed, boolean direct)
                               xpos, ypos);
 
        // middle part of gadget
-       for (i=0; i < num_steps; i++)
+       for (i = 0; i < num_steps; i++)
          BlitBitmapOnBackground(gd->bitmap, drawto,
                                 gd->x, gd->y + gi->border.ysize,
                                 gi->width, design_body,
@@ -743,7 +804,7 @@ static void DrawGadget(struct GadgetInfo *gi, boolean pressed, boolean direct)
                               xpos, ypos);
 
        // middle part of gadget
-       for (i=0; i < num_steps; i++)
+       for (i = 0; i < num_steps; i++)
          BlitBitmapOnBackground(gd->bitmap, drawto,
                                 gd->x + gi->border.xsize, gd->y,
                                 design_body, gi->height,
@@ -1392,6 +1453,8 @@ static void HandleGadgetTags(struct GadgetInfo *gi, int first_tag, va_list ap)
     int font_height = getFontHeight(font_nr);
     int border_xsize = gi->border.xsize;
     int border_ysize = gi->border.ysize;
+    int right_screen_border = getGadgetScreenBorderRight();
+    int bottom_screen_border = getGadgetScreenBorderBottom();
 
     if (gi->width == 0 || gi->height == 0)
     {
@@ -1403,6 +1466,42 @@ static void HandleGadgetTags(struct GadgetInfo *gi, int first_tag, va_list ap)
       gi->textarea.xsize = (gi->width  - 2 * border_xsize) / font_width;
       gi->textarea.ysize = (gi->height - 2 * border_ysize) / font_height;
     }
+
+    gi->textarea.full_x = gi->x;
+    gi->textarea.full_y = gi->y;
+    gi->textarea.crop_width = gi->width;
+    gi->textarea.crop_height = gi->height;
+    gi->textarea.crop_xsize = gi->textarea.xsize;
+    gi->textarea.crop_ysize = gi->textarea.ysize;
+
+    gi->textarea.cropped = FALSE;
+
+    if (gi->x + gi->width > right_screen_border)
+    {
+      gi->textarea.full_x = MAX(0, right_screen_border - gi->width);
+      gi->textarea.crop_width = right_screen_border - gi->x;
+      gi->textarea.crop_xsize =
+       (gi->textarea.crop_width - 2 * border_xsize) / font_width;
+      gi->textarea.crop_width =
+       2 * border_xsize + gi->textarea.crop_xsize * font_width;
+
+      gi->textarea.cropped = TRUE;
+    }
+
+    if (gi->y + gi->height > bottom_screen_border)
+    {
+      gi->textarea.full_y = MAX(0, bottom_screen_border - gi->height);
+      gi->textarea.crop_height = bottom_screen_border - gi->y;
+      gi->textarea.crop_ysize =
+       (gi->textarea.crop_height - 2 * border_ysize) / font_height;
+      gi->textarea.crop_height =
+       2 * border_ysize + gi->textarea.crop_ysize * font_height;
+
+      gi->textarea.cropped = TRUE;
+    }
+
+    // always start with unselected text area (which is potentially cropped)
+    gi->textarea.full_open = FALSE;
   }
 }
 
@@ -1893,8 +1992,10 @@ boolean HandleGadgets(int mx, int my, int button)
     else if (gi->type & GD_TYPE_TEXT_AREA && button != 0 && !motion_status)
     {
       int old_cursor_position = gi->textarea.cursor_position;
-      int x = (mx - gi->x - gi->border.xsize) / getFontWidth(gi->font);
-      int y = (my - gi->y - gi->border.ysize) / getFontHeight(gi->font);
+      int gadget_x = mx - gi->textarea.full_x - gi->border.xsize;
+      int gadget_y = my - gi->textarea.full_y - gi->border.ysize;
+      int x = gadget_x / getFontWidth(gi->font);
+      int y = gadget_y / getFontHeight(gi->font);
 
       x = (x < 0 ? 0 : x >= gi->textarea.xsize ? gi->textarea.xsize - 1 : x);
       y = (y < 0 ? 0 : y >= gi->textarea.ysize ? gi->textarea.ysize - 1 : y);