sdlterm/src/sdlterm.cc
changeset 53 c4263588b716
parent 52 50a1857557da
child 54 86b84535726e
--- a/sdlterm/src/sdlterm.cc	Sat Jan 05 23:00:41 2013 +0100
+++ b/sdlterm/src/sdlterm.cc	Sun Jan 06 13:55:02 2013 +0100
@@ -176,7 +176,7 @@
             SDL_LockSurface(cell_surface);
             int y = 1 + TTF_FontAscent(font);
             Uint32 fgcolor_mapped = SDL_MapRGB(cell_surface->format, fgcolor.r, fgcolor.g, fgcolor.b);
-            Uint32 *p = (Uint32 *)(cell_surface->pixels + y * cell_surface->pitch);
+            Uint32 *p = (Uint32 *)((Uint8 *)cell_surface->pixels + y * cell_surface->pitch);
             for (int x = 0; x < _cell_width; x++)
                 *p++ = fgcolor_mapped;
             SDL_UnlockSurface(cell_surface);
@@ -225,8 +225,6 @@
         throw std::exception();
     }
 
-    SDL_WM_SetCaption("terminal", NULL);
-
     _pixel_width = pxwidth;
     _pixel_height = pxheight;
 
@@ -248,6 +246,13 @@
 }
 
 
+void TerminalScreen::toggle_cursor(int x, int y)
+{
+    TerminalCell &cell = _cells_front[y * _width + x];
+    cell.attr ^= (Style::STANDOUT << 24);
+}
+
+
 void TerminalScreen::commit()
 {
     auto front_iter = _cells_front.begin();
@@ -275,6 +280,13 @@
 }
 
 
+void TerminalScreen::redraw()
+{
+    // clear back buffer, current screen is considered blank
+    std::fill(_cells_back.begin(), _cells_back.end(), TerminalCell());
+}
+
+
 void TerminalScreen::_reset_cells()
 {
     _cell_width = _render.get_cell_width();
@@ -289,12 +301,13 @@
 
     int num_cells = _width * _height;
     _cells_front.resize(num_cells, TerminalCell());
-    _cells_back.resize(num_cells, TerminalCell());
+    _cells_back.resize(num_cells);
+    redraw();
 }
 
 
 Terminal::Terminal()
- : _screen(), _attr(7), _mousemove_last_x(-1)
+ : _screen(), _attr(7), _cursor_visible(false), _mousemove_last_x(-1)
 {
     if (SDL_Init(SDL_INIT_VIDEO) == -1)
     {
@@ -302,6 +315,7 @@
         throw std::exception();
     }
     SDL_EnableUNICODE(1);
+    SDL_WM_SetCaption("terminal", NULL);
 }
 
 
@@ -311,6 +325,20 @@
 }
 
 
+void Terminal::commit()
+{
+    if (_cursor_visible)
+    {
+        _screen.toggle_cursor(_cursor_x, _cursor_y);
+        _screen.commit();
+        _screen.toggle_cursor(_cursor_x, _cursor_y);
+    }
+    else
+    {
+        _screen.commit();
+    }
+}
+
 void Terminal::get_next_event(Event &event)
 {
     static SDL_Event sdl_event;
@@ -323,6 +351,15 @@
                 event.type = Event::QUIT;
                 return;
 
+            case SDL_VIDEORESIZE:
+                event.type = Event::RESIZE;
+                _screen.resize(sdl_event.resize.w, sdl_event.resize.h);
+                return;
+
+            case SDL_VIDEOEXPOSE:
+                _screen.redraw();
+                break;
+
             case SDL_KEYDOWN:
             {
                 //switch(event.key.keysym.sym)
@@ -354,6 +391,8 @@
                 return;
 
             case SDL_MOUSEMOTION:
+                if (sdl_event.motion.state == 0)
+                    break; // continue loop, do not report move events when no button is pressed
                 event.type = Event::MOUSEMOVE;
                 event.mouse.x = sdl_event.motion.x / _screen.get_cell_width();
                 event.mouse.y = sdl_event.motion.y / _screen.get_cell_height();