1 //  SuperTux
2 //  Copyright (C) 2015 Hume2 <teratux.mail@gmail.com>
3 //
4 //  This program is free software: you can redistribute it and/or modify
5 //  it under the terms of the GNU General Public License as published by
6 //  the Free Software Foundation, either version 3 of the License, or
7 //  (at your option) any later version.
8 //
9 //  This program is distributed in the hope that it will be useful,
10 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
11 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 //  GNU General Public License for more details.
13 //
14 //  You should have received a copy of the GNU General Public License
15 //  along with this program.  If not, see <http://www.gnu.org/licenses/>.
16 
17 #ifndef HEADER_SUPERTUX_EDITOR_LAYERS_WIDGET_HPP
18 #define HEADER_SUPERTUX_EDITOR_LAYERS_WIDGET_HPP
19 
20 #include <stdexcept>
21 
22 #include "control/input_manager.hpp"
23 #include "editor/widget.hpp"
24 #include "math/fwd.hpp"
25 #include "object/tilemap.hpp"
26 #include "supertux/screen.hpp"
27 
28 class DrawingContext;
29 class Editor;
30 class GameObject;
31 class LayerIcon;
32 class Tip;
33 
34 /** A widget at the bottom of the screen for switching between tilemap
35     layers and other non-movable GameObjects */
36 class EditorLayersWidget final : public Widget
37 {
38 public:
39   enum class HoveredItem {
40     NONE, SPAWNPOINTS, SECTOR, LAYERS
41   };
42 
43 public:
44   EditorLayersWidget(Editor& editor);
45 
46   virtual void draw(DrawingContext& context) override;
47   virtual void update(float dt_sec) override;
48 
49   virtual bool on_mouse_button_up(const SDL_MouseButtonEvent& button) override;
50   virtual bool on_mouse_button_down(const SDL_MouseButtonEvent& button) override;
51   virtual bool on_mouse_motion(const SDL_MouseMotionEvent& motion) override;
52   virtual bool on_mouse_wheel(const SDL_MouseWheelEvent& wheel) override;
53 
54   virtual void setup() override;
55   virtual void resize() override;
56 
57   void refresh();
58 
59   void refresh_sector_text();
60   void sort_layers();
61   void add_layer(GameObject* layer);
62 
63   bool has_mouse_focus() const;
64 
get_selected_tilemap() const65   TileMap* get_selected_tilemap() const { return m_selected_tilemap; }
66 
67 private:
68   Vector get_layer_coords(const int pos) const;
69   int get_layer_pos(const Vector& coords) const;
70   void update_tip();
71 
72 private:
73   Editor& m_editor;
74   std::vector<std::unique_ptr<LayerIcon>> m_layer_icons;
75   TileMap* m_selected_tilemap;
76 
77   int m_Ypos;
78   const int m_Xpos = 32;
79   int m_Width;
80   int m_scroll;
81   int m_scroll_speed;
82 
83   std::string m_sector_text;
84   int m_sector_text_width;
85 
86   HoveredItem m_hovered_item;
87   unsigned int m_hovered_layer;
88 
89   std::unique_ptr<Tip> m_object_tip;
90 
91   bool m_has_mouse_focus;
92 
93 private:
94   EditorLayersWidget(const EditorLayersWidget&) = delete;
95   EditorLayersWidget& operator=(const EditorLayersWidget&) = delete;
96 };
97 
98 #endif
99 
100 /* EOF */
101