diff options
Diffstat (limited to 'scene/gui/graph_frame.cpp')
| -rw-r--r-- | scene/gui/graph_frame.cpp | 357 |
1 files changed, 357 insertions, 0 deletions
diff --git a/scene/gui/graph_frame.cpp b/scene/gui/graph_frame.cpp new file mode 100644 index 0000000000..288b8ba66d --- /dev/null +++ b/scene/gui/graph_frame.cpp @@ -0,0 +1,357 @@ +/**************************************************************************/ +/* graph_frame.cpp */ +/**************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/**************************************************************************/ +/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */ +/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/**************************************************************************/ + +#include "graph_frame.h" + +#include "core/string/translation.h" +#include "scene/gui/box_container.h" +#include "scene/gui/label.h" +#include "scene/resources/style_box_flat.h" +#include "scene/resources/style_box_texture.h" +#include "scene/theme/theme_db.h" + +void GraphFrame::gui_input(const Ref<InputEvent> &p_ev) { + ERR_FAIL_COND(p_ev.is_null()); + + Ref<InputEventMouseButton> mb = p_ev; + if (mb.is_valid()) { + ERR_FAIL_NULL_MSG(get_parent_control(), "GraphFrame must be the child of a GraphEdit node."); + + if (mb->is_pressed() && mb->get_button_index() == MouseButton::LEFT) { + Vector2 mpos = mb->get_position(); + + Ref<Texture2D> resizer = theme_cache.resizer; + + if (resizable && mpos.x > get_size().x - resizer->get_width() && mpos.y > get_size().y - resizer->get_height()) { + resizing = true; + resizing_from = mpos; + resizing_from_size = get_size(); + accept_event(); + return; + } + + emit_signal(SNAME("raise_request")); + } + + if (!mb->is_pressed() && mb->get_button_index() == MouseButton::LEFT) { + if (resizing) { + resizing = false; + emit_signal(SNAME("resize_end"), get_size()); + return; + } + } + } + + Ref<InputEventMouseMotion> mm = p_ev; + + // Only resize if the frame is not auto-resizing based on linked nodes. + if (resizing && !autoshrink_enabled && mm.is_valid()) { + Vector2 mpos = mm->get_position(); + + Vector2 diff = mpos - resizing_from; + + emit_signal(SNAME("resize_request"), resizing_from_size + diff); + } +} + +Control::CursorShape GraphFrame::get_cursor_shape(const Point2 &p_pos) const { + if (resizable && !autoshrink_enabled) { + if (resizing || (p_pos.x > get_size().x - theme_cache.resizer->get_width() && p_pos.y > get_size().y - theme_cache.resizer->get_height())) { + return CURSOR_FDIAGSIZE; + } + } + + return Control::get_cursor_shape(p_pos); +} + +void GraphFrame::_notification(int p_what) { + switch (p_what) { + case NOTIFICATION_DRAW: { + // Used for layout calculations. + Ref<StyleBox> sb_panel = theme_cache.panel; + Ref<StyleBox> sb_titlebar = theme_cache.titlebar; + + // Used for drawing. + Ref<StyleBox> sb_to_draw_panel = selected ? theme_cache.panel_selected : sb_panel; + Ref<StyleBox> sb_to_draw_titlebar = selected ? theme_cache.titlebar_selected : sb_titlebar; + Ref<StyleBoxFlat> sb_panel_flat = sb_to_draw_panel; + Ref<StyleBoxTexture> sb_panel_texture = sb_to_draw_panel; + + Rect2 titlebar_rect(Point2(), titlebar_hbox->get_size() + sb_titlebar->get_minimum_size()); + Size2 body_size = get_size(); + body_size.y -= titlebar_rect.size.height; + Rect2 body_rect(Point2(0, titlebar_rect.size.height), body_size); + + // Draw body stylebox. + if (tint_color_enabled) { + if (sb_panel_flat.is_valid()) { + Color original_border_color = sb_panel_flat->get_border_color(); + sb_panel_flat = sb_panel_flat->duplicate(); + sb_panel_flat->set_bg_color(tint_color); + sb_panel_flat->set_border_color(selected ? original_border_color : tint_color.lightened(0.3)); + draw_style_box(sb_panel_flat, body_rect); + } else if (sb_panel_texture.is_valid()) { + sb_panel_texture = sb_panel_flat->duplicate(); + sb_panel_texture->set_modulate(tint_color); + draw_style_box(sb_panel_texture, body_rect); + } + } else { + draw_style_box(sb_panel_flat, body_rect); + } + + // Draw title bar stylebox above. + draw_style_box(sb_to_draw_titlebar, titlebar_rect); + + // Only draw the resize handle if the frame is not auto-resizing. + if (resizable && !autoshrink_enabled) { + Ref<Texture2D> resizer = theme_cache.resizer; + Color resizer_color = theme_cache.resizer_color; + if (resizable) { + draw_texture(resizer, get_size() - resizer->get_size(), resizer_color); + } + } + + } break; + } +} + +void GraphFrame::_resort() { + Ref<StyleBox> sb_panel = theme_cache.panel; + Ref<StyleBox> sb_titlebar = theme_cache.titlebar; + + // Resort titlebar first. + Size2 titlebar_size = Size2(get_size().width, titlebar_hbox->get_size().height); + titlebar_size -= sb_titlebar->get_minimum_size(); + Rect2 titlebar_rect = Rect2(sb_titlebar->get_offset(), titlebar_size); + + fit_child_in_rect(titlebar_hbox, titlebar_rect); + + // After resort the children of the titlebar container may have changed their height (e.g. Label autowrap). + Size2i titlebar_min_size = titlebar_hbox->get_combined_minimum_size(); + + Size2 size = get_size() - sb_panel->get_minimum_size() - Size2(0, titlebar_min_size.height + sb_titlebar->get_minimum_size().height); + Point2 offset = Point2(sb_panel->get_margin(SIDE_LEFT), sb_panel->get_margin(SIDE_TOP) + titlebar_min_size.height + sb_titlebar->get_minimum_size().height); + + for (int i = 0; i < get_child_count(false); i++) { + Control *child = Object::cast_to<Control>(get_child(i, false)); + if (!child || !child->is_visible_in_tree()) { + continue; + } + if (child->is_set_as_top_level()) { + continue; + } + + fit_child_in_rect(child, Rect2(offset, size)); + } +} + +void GraphFrame::_bind_methods() { + ClassDB::bind_method(D_METHOD("set_title", "title"), &GraphFrame::set_title); + ClassDB::bind_method(D_METHOD("get_title"), &GraphFrame::get_title); + + ClassDB::bind_method(D_METHOD("get_titlebar_hbox"), &GraphFrame::get_titlebar_hbox); + + ClassDB::bind_method(D_METHOD("set_autoshrink_enabled", "shrink"), &GraphFrame::set_autoshrink_enabled); + ClassDB::bind_method(D_METHOD("is_autoshrink_enabled"), &GraphFrame::is_autoshrink_enabled); + + ClassDB::bind_method(D_METHOD("set_autoshrink_margin", "autoshrink_margin"), &GraphFrame::set_autoshrink_margin); + ClassDB::bind_method(D_METHOD("get_autoshrink_margin"), &GraphFrame::get_autoshrink_margin); + + ClassDB::bind_method(D_METHOD("set_drag_margin", "drag_margin"), &GraphFrame::set_drag_margin); + ClassDB::bind_method(D_METHOD("get_drag_margin"), &GraphFrame::get_drag_margin); + + ClassDB::bind_method(D_METHOD("set_tint_color_enabled", "enable"), &GraphFrame::set_tint_color_enabled); + ClassDB::bind_method(D_METHOD("is_tint_color_enabled"), &GraphFrame::is_tint_color_enabled); + + ClassDB::bind_method(D_METHOD("set_tint_color", "color"), &GraphFrame::set_tint_color); + ClassDB::bind_method(D_METHOD("get_tint_color"), &GraphFrame::get_tint_color); + + ADD_PROPERTY(PropertyInfo(Variant::STRING, "title"), "set_title", "get_title"); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "autoshrink_enabled"), "set_autoshrink_enabled", "is_autoshrink_enabled"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "autoshrink_margin", PROPERTY_HINT_RANGE, "0,128,1"), "set_autoshrink_margin", "get_autoshrink_margin"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "drag_margin", PROPERTY_HINT_RANGE, "0,128,1"), "set_drag_margin", "get_drag_margin"); + + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "tint_color_enabled"), "set_tint_color_enabled", "is_tint_color_enabled"); + ADD_PROPERTY(PropertyInfo(Variant::COLOR, "tint_color"), "set_tint_color", "get_tint_color"); + + ADD_SIGNAL(MethodInfo(SNAME("autoshrink_changed"))); + + BIND_THEME_ITEM(Theme::DATA_TYPE_STYLEBOX, GraphFrame, panel); + BIND_THEME_ITEM(Theme::DATA_TYPE_STYLEBOX, GraphFrame, panel_selected); + BIND_THEME_ITEM(Theme::DATA_TYPE_STYLEBOX, GraphFrame, titlebar); + BIND_THEME_ITEM(Theme::DATA_TYPE_STYLEBOX, GraphFrame, titlebar_selected); + + BIND_THEME_ITEM(Theme::DATA_TYPE_ICON, GraphFrame, resizer); + BIND_THEME_ITEM(Theme::DATA_TYPE_COLOR, GraphFrame, resizer_color); +} + +void GraphFrame::_validate_property(PropertyInfo &p_property) const { + if (p_property.name == "resizable") { + p_property.usage = PROPERTY_USAGE_NO_EDITOR; + } +} + +void GraphFrame::set_title(const String &p_title) { + if (title == p_title) { + return; + } + title = p_title; + if (title_label) { + title_label->set_text(title); + } + update_minimum_size(); +} + +String GraphFrame::get_title() const { + return title; +} + +void GraphFrame::set_autoshrink_enabled(bool p_shrink) { + if (autoshrink_enabled == p_shrink) { + return; + } + + autoshrink_enabled = p_shrink; + + emit_signal("autoshrink_changed", get_size()); + queue_redraw(); +} + +bool GraphFrame::is_autoshrink_enabled() const { + return autoshrink_enabled; +} + +void GraphFrame::set_autoshrink_margin(const int &p_margin) { + if (autoshrink_margin == p_margin) { + return; + } + + autoshrink_margin = p_margin; + + emit_signal("autoshrink_changed", get_size()); +} + +int GraphFrame::get_autoshrink_margin() const { + return autoshrink_margin; +} + +HBoxContainer *GraphFrame::get_titlebar_hbox() { + return titlebar_hbox; +} + +void GraphFrame::set_drag_margin(int p_margin) { + drag_margin = p_margin; +} + +int GraphFrame::get_drag_margin() const { + return drag_margin; +} + +void GraphFrame::set_tint_color_enabled(bool p_enable) { + tint_color_enabled = p_enable; + queue_redraw(); +} + +bool GraphFrame::is_tint_color_enabled() const { + return tint_color_enabled; +} + +void GraphFrame::set_tint_color(const Color &p_color) { + tint_color = p_color; + queue_redraw(); +} + +Color GraphFrame::get_tint_color() const { + return tint_color; +} + +bool GraphFrame::has_point(const Point2 &p_point) const { + Ref<StyleBox> sb_panel = theme_cache.panel; + Ref<StyleBox> sb_titlebar = theme_cache.titlebar; + Ref<Texture2D> resizer = theme_cache.resizer; + + if (Rect2(get_size() - resizer->get_size(), resizer->get_size()).has_point(p_point)) { + return true; + } + + // For grabbing on the titlebar. + int titlebar_height = titlebar_hbox->get_size().height + sb_titlebar->get_minimum_size().height; + if (Rect2(0, 0, get_size().width, titlebar_height).has_point(p_point)) { + return true; + } + + // Allow grabbing on all sides of the frame. + Rect2 frame_rect = Rect2(0, 0, get_size().width, get_size().height); + Rect2 no_drag_rect = frame_rect.grow(-drag_margin); + + if (frame_rect.has_point(p_point) && !no_drag_rect.has_point(p_point)) { + return true; + } + + return false; +} + +Size2 GraphFrame::get_minimum_size() const { + Ref<StyleBox> sb_panel = theme_cache.panel; + Ref<StyleBox> sb_titlebar = theme_cache.titlebar; + + Size2 minsize = titlebar_hbox->get_minimum_size() + sb_titlebar->get_minimum_size(); + + for (int i = 0; i < get_child_count(false); i++) { + Control *child = Object::cast_to<Control>(get_child(i, false)); + if (!child || !child->is_visible() || child->is_set_as_top_level()) { + continue; + } + + Size2i size = child->get_combined_minimum_size(); + size.width += sb_panel->get_minimum_size().width; + + minsize.x = MAX(minsize.x, size.x); + minsize.y += MAX(minsize.y, size.y); + } + + minsize.height += sb_panel->get_minimum_size().height; + + return minsize; +} + +GraphFrame::GraphFrame() { + titlebar_hbox = memnew(HBoxContainer); + titlebar_hbox->set_h_size_flags(SIZE_EXPAND_FILL); + add_child(titlebar_hbox, false, INTERNAL_MODE_FRONT); + + title_label = memnew(Label); + title_label->set_theme_type_variation("GraphFrameTitleLabel"); + title_label->set_h_size_flags(SIZE_EXPAND_FILL); + title_label->set_horizontal_alignment(HORIZONTAL_ALIGNMENT_CENTER); + titlebar_hbox->add_child(title_label); + + set_mouse_filter(MOUSE_FILTER_STOP); +} |