diff options
Diffstat (limited to 'src/gui/ScrollablePage.cpp')
-rw-r--r-- | src/gui/ScrollablePage.cpp | 52 |
1 files changed, 37 insertions, 15 deletions
diff --git a/src/gui/ScrollablePage.cpp b/src/gui/ScrollablePage.cpp index 74dd715..cec20d3 100644 --- a/src/gui/ScrollablePage.cpp +++ b/src/gui/ScrollablePage.cpp @@ -15,19 +15,49 @@ namespace gsr { ScrollablePage::ScrollablePage(mgl::vec2f size) : size(size) {} + ScrollablePage::~ScrollablePage() { + widgets.for_each([this](std::unique_ptr<Widget> &widget) { + if(widget->parent_widget == this) + widget->parent_widget = nullptr; + return true; + }, true); + } + bool ScrollablePage::on_event(mgl::Event &event, mgl::Window &window, mgl::vec2f offset) { if(!visible) return true; - offset = position + offset + mgl::vec2f(0.0f, scroll_y); + offset = position + offset; + + const mgl::vec2f content_size = get_inner_size(); + const mgl::vec2i scissor_pos(offset.x, offset.y); + const mgl::vec2i scissor_size(content_size.x, content_size.y); + + offset.y += scroll_y; Widget *selected_widget = selected_child_widget; + if(event.type == mgl::Event::MouseButtonPressed && scrollbar_rect.contains(mgl::vec2f(event.mouse_button.x, event.mouse_button.y))) { + set_widget_as_selected_in_parent(); + moving_scrollbar_with_cursor = true; + scrollbar_move_cursor_start_pos = mgl::vec2f(event.mouse_button.x, event.mouse_button.y); + scrollbar_move_cursor_scroll_y_start = scroll_y; + return false; + } + if(event.type == mgl::Event::MouseButtonReleased && moving_scrollbar_with_cursor) { moving_scrollbar_with_cursor = false; remove_widget_as_selected_in_parent(); return false; } + if(event.type == mgl::Event::MouseButtonPressed || event.type == mgl::Event::MouseButtonReleased) { + if(!mgl::IntRect(scissor_pos, scissor_size).contains({event.mouse_button.x, event.mouse_button.y})) + return true; + } else if(event.type == mgl::Event::MouseMoved) { + if(!mgl::IntRect(scissor_pos, scissor_size).contains({event.mouse_move.x, event.mouse_move.y})) + return true; + } + if(selected_widget) { if(!selected_widget->on_event(event, window, offset)) return false; @@ -35,8 +65,9 @@ namespace gsr { // Process widgets by visibility (backwards) const bool continue_events = widgets.for_each_reverse([selected_widget, &window, &event, offset](std::unique_ptr<Widget> &widget) { - if(widget.get() != selected_widget) { - if(!widget->on_event(event, window, offset)) + Widget *p = widget.get(); + if(p != selected_widget) { + if(!p->on_event(event, window, offset)) return false; } return true; @@ -51,14 +82,6 @@ namespace gsr { return false; } - if(event.type == mgl::Event::MouseButtonPressed && scrollbar_rect.contains(mgl::vec2f(event.mouse_button.x, event.mouse_button.y))) { - set_widget_as_selected_in_parent(); - moving_scrollbar_with_cursor = true; - scrollbar_move_cursor_start_pos = mgl::vec2f(event.mouse_button.x, event.mouse_button.y); - scrollbar_move_cursor_scroll_y_start = scroll_y; - return false; - } - return true; } @@ -75,11 +98,10 @@ namespace gsr { offset = position + offset; - mgl_scissor prev_scissor; - mgl_window_get_scissor(window.internal_window(), &prev_scissor); + const mgl::Scissor prev_scissor = window.get_scissor(); const mgl::vec2f content_size = get_inner_size(); - mgl_scissor new_scissor = { + const mgl_scissor new_scissor = { mgl_vec2i{(int)offset.x, (int)offset.y}, mgl_vec2i{(int)content_size.x, (int)content_size.y} }; @@ -136,7 +158,7 @@ namespace gsr { apply_animation(); limit_scroll(child_height); - mgl_window_set_scissor(window.internal_window(), &prev_scissor); + window.set_scissor(prev_scissor); double scrollbar_height = 1.0; if(child_height > 0.001) |