summaryrefslogtreecommitdiff
path: root/plugingui/window.cc
diff options
context:
space:
mode:
Diffstat (limited to 'plugingui/window.cc')
-rw-r--r--plugingui/window.cc43
1 files changed, 43 insertions, 0 deletions
diff --git a/plugingui/window.cc b/plugingui/window.cc
index d4046c2..8bc5c62 100644
--- a/plugingui/window.cc
+++ b/plugingui/window.cc
@@ -262,10 +262,50 @@ bool Window::updateBuffer()
};
}
}
+
+ if(pixel_buffer->has_last)
+ {
+ auto x1 = (std::size_t)pixel_buffer->last_x;
+ auto x2 = (std::size_t)(pixel_buffer->last_x + pixel_buffer->last_width);
+ auto y1 = (std::size_t)pixel_buffer->last_y;
+ auto y2 = (std::size_t)(pixel_buffer->last_y + pixel_buffer->last_height);
+
+ pixel_buffer->has_last = false;
+ if(!has_dirty_rect)
+ {
+ // Insert this area:
+ dirty_rect = {x1, y1, x2, y2};
+ has_dirty_rect = true;
+ }
+ else
+ {
+ // Expand existing area:
+ auto x1_0 = dirty_rect.x1;
+ auto y1_0 = dirty_rect.y1;
+ auto x2_0 = dirty_rect.x2;
+ auto y2_0 = dirty_rect.y2;
+ dirty_rect = {
+ (x1_0 < x1) ? x1_0 : x1,
+ (y1_0 < y1) ? y1_0 : y1,
+ (x2_0 > x2) ? x2_0 : x2,
+ (y2_0 > y2) ? y2_0 : y2
+ };
+ }
+ }
+ }
+
+ if(!has_dirty_rect)
+ {
+ return false;
}
for(auto& pixel_buffer : pixel_buffers)
{
+ if(!pixel_buffer->visible)
+ {
+ continue;
+ }
+
int update_width = pixel_buffer->width;
int update_height = pixel_buffer->height;
@@ -308,6 +348,9 @@ bool Window::updateBuffer()
}
}
+ dirty_rect.x2 = std::min(wpixbuf.width, dirty_rect.x2);
+ dirty_rect.y2 = std::min(wpixbuf.height, dirty_rect.y2);
+
native->redraw(dirty_rect);
needs_redraw = false;