1 /*
2  * PROJECT:     PAINT for ReactOS
3  * LICENSE:     LGPL
4  * FILE:        base/applications/mspaint/toolsmodel.cpp
5  * PURPOSE:     Keep track of tool parameters, notify listeners
6  * PROGRAMMERS: Benedikt Freisen
7  */
8 
9 /* INCLUDES *********************************************************/
10 
11 #include "precomp.h"
12 
13 /* FUNCTIONS ********************************************************/
14 
15 ToolsModel::ToolsModel()
16 {
17     m_lineWidth = 1;
18     m_shapeStyle = 0;
19     m_brushStyle = 0;
20     m_oldActiveTool = m_activeTool = TOOL_PEN;
21     m_airBrushWidth = 5;
22     m_rubberRadius = 4;
23     m_transpBg = FALSE;
24     m_zoom = 1000;
25     ZeroMemory(&m_tools, sizeof(m_tools));
26     m_pToolObject = GetOrCreateTool(m_activeTool);
27 }
28 
29 ToolsModel::~ToolsModel()
30 {
31     for (size_t i = 0; i < TOOL_MAX + 1; ++i)
32         delete m_tools[i];
33 }
34 
35 ToolBase *ToolsModel::GetOrCreateTool(TOOLTYPE nTool)
36 {
37     if (!m_tools[nTool])
38         m_tools[nTool] = ToolBase::createToolObject(nTool);
39 
40     return m_tools[nTool];
41 }
42 
43 int ToolsModel::GetLineWidth() const
44 {
45     return m_lineWidth;
46 }
47 
48 void ToolsModel::SetLineWidth(int nLineWidth)
49 {
50     m_lineWidth = nLineWidth;
51     NotifyToolSettingsChanged();
52 }
53 
54 int ToolsModel::GetShapeStyle() const
55 {
56     return m_shapeStyle;
57 }
58 
59 void ToolsModel::SetShapeStyle(int nShapeStyle)
60 {
61     m_shapeStyle = nShapeStyle;
62     NotifyToolSettingsChanged();
63 }
64 
65 int ToolsModel::GetBrushStyle() const
66 {
67     return m_brushStyle;
68 }
69 
70 void ToolsModel::SetBrushStyle(int nBrushStyle)
71 {
72     m_brushStyle = nBrushStyle;
73     NotifyToolSettingsChanged();
74 }
75 
76 TOOLTYPE ToolsModel::GetActiveTool() const
77 {
78     return m_activeTool;
79 }
80 
81 TOOLTYPE ToolsModel::GetOldActiveTool() const
82 {
83     return m_oldActiveTool;
84 }
85 
86 void ToolsModel::SetActiveTool(TOOLTYPE nActiveTool)
87 {
88     switch (m_activeTool)
89     {
90         case TOOL_FREESEL:
91         case TOOL_RECTSEL:
92         case TOOL_RUBBER:
93         case TOOL_COLOR:
94         case TOOL_ZOOM:
95             break;
96 
97         case TOOL_TEXT:
98             if (nActiveTool != TOOL_TEXT)
99             {
100                 // Finish the text
101                 OnButtonDown(TRUE, -1, -1, TRUE);
102                 OnButtonUp(TRUE, -1, -1);
103             }
104             break;
105 
106         default:
107             m_oldActiveTool = m_activeTool;
108             break;
109     }
110 
111     m_activeTool = nActiveTool;
112     m_pToolObject = GetOrCreateTool(m_activeTool);
113     NotifyToolChanged();
114 }
115 
116 int ToolsModel::GetAirBrushWidth() const
117 {
118     return m_airBrushWidth;
119 }
120 
121 void ToolsModel::SetAirBrushWidth(int nAirBrushWidth)
122 {
123     m_airBrushWidth = nAirBrushWidth;
124     NotifyToolSettingsChanged();
125 }
126 
127 int ToolsModel::GetRubberRadius() const
128 {
129     return m_rubberRadius;
130 }
131 
132 void ToolsModel::SetRubberRadius(int nRubberRadius)
133 {
134     m_rubberRadius = nRubberRadius;
135     NotifyToolSettingsChanged();
136 }
137 
138 BOOL ToolsModel::IsBackgroundTransparent() const
139 {
140     return m_transpBg;
141 }
142 
143 void ToolsModel::SetBackgroundTransparent(BOOL bTransparent)
144 {
145     m_transpBg = bTransparent;
146     NotifyToolSettingsChanged();
147 }
148 
149 int ToolsModel::GetZoom() const
150 {
151     return m_zoom;
152 }
153 
154 void ToolsModel::SetZoom(int nZoom)
155 {
156     m_zoom = nZoom;
157     NotifyZoomChanged();
158 }
159 
160 void ToolsModel::NotifyToolChanged()
161 {
162     toolBoxContainer.SendMessage(WM_TOOLSMODELTOOLCHANGED, m_activeTool);
163     toolSettingsWindow.SendMessage(WM_TOOLSMODELTOOLCHANGED, m_activeTool);
164 
165     if (fontsDialog.IsWindow())
166         fontsDialog.SendMessage(WM_TOOLSMODELTOOLCHANGED, m_activeTool);
167 
168     textEditWindow.SendMessage(WM_TOOLSMODELTOOLCHANGED, m_activeTool);
169 }
170 
171 void ToolsModel::NotifyToolSettingsChanged()
172 {
173     toolSettingsWindow.SendMessage(WM_TOOLSMODELSETTINGSCHANGED);
174     selectionWindow.SendMessage(WM_TOOLSMODELSETTINGSCHANGED);
175     if (textEditWindow.IsWindow())
176         textEditWindow.SendMessage(WM_TOOLSMODELSETTINGSCHANGED);
177 }
178 
179 void ToolsModel::NotifyZoomChanged()
180 {
181     toolSettingsWindow.SendMessage(WM_TOOLSMODELZOOMCHANGED);
182     if (textEditWindow.IsWindow())
183         textEditWindow.SendMessage(WM_TOOLSMODELZOOMCHANGED);
184     if (selectionWindow.IsWindow())
185         selectionWindow.SendMessage(WM_TOOLSMODELZOOMCHANGED);
186 }
187 
188 void ToolsModel::OnButtonDown(BOOL bLeftButton, LONG x, LONG y, BOOL bDoubleClick)
189 {
190     m_pToolObject->beginEvent();
191     updateStartAndLast(x, y);
192     m_pToolObject->OnButtonDown(bLeftButton, x, y, bDoubleClick);
193     m_pToolObject->endEvent();
194 }
195 
196 void ToolsModel::OnMouseMove(BOOL bLeftButton, LONG x, LONG y)
197 {
198     m_pToolObject->beginEvent();
199     m_pToolObject->OnMouseMove(bLeftButton, x, y);
200     updateLast(x, y);
201     m_pToolObject->endEvent();
202 }
203 
204 void ToolsModel::OnButtonUp(BOOL bLeftButton, LONG x, LONG y)
205 {
206     m_pToolObject->beginEvent();
207     m_pToolObject->OnButtonUp(bLeftButton, x, y);
208     updateLast(x, y);
209     m_pToolObject->endEvent();
210 }
211 
212 void ToolsModel::OnCancelDraw()
213 {
214     m_pToolObject->beginEvent();
215     m_pToolObject->OnCancelDraw();
216     m_pToolObject->endEvent();
217 }
218 
219 void ToolsModel::resetTool()
220 {
221     m_pToolObject->reset();
222 }
223 
224 void ToolsModel::selectAll()
225 {
226     SetActiveTool(TOOL_RECTSEL);
227     OnButtonDown(TRUE, 0, 0, FALSE);
228     OnMouseMove(TRUE, imageModel.GetWidth(), imageModel.GetHeight());
229     OnButtonUp(TRUE, imageModel.GetWidth(), imageModel.GetHeight());
230 }
231