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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: laywin.h | |
3 | // Purpose: Implements a simple layout algorithm, plus | |
4 | // wxSashLayoutWindow which is an example of a window with | |
5 | // layout-awareness (via event handlers). This is suited to | |
6 | // IDE-style window layout. | |
7 | // Author: Julian Smart | |
8 | // Modified by: | |
9 | // Created: 04/01/98 | |
10 | // RCS-ID: $Id$ | |
11 | // Copyright: (c) Julian Smart | |
12 | // Licence: wxWindows licence | |
13 | ///////////////////////////////////////////////////////////////////////////// | |
14 | ||
15 | #ifndef _WX_LAYWIN_H_G_ | |
16 | #define _WX_LAYWIN_H_G_ | |
17 | ||
18 | #ifdef __GNUG__ | |
19 | #pragma interface "laywin.h" | |
20 | #endif | |
21 | ||
22 | #if wxUSE_SASH | |
23 | #include "wx/sashwin.h" | |
24 | #endif // wxUSE_SASH | |
25 | ||
26 | BEGIN_DECLARE_EVENT_TYPES() | |
27 | DECLARE_EVENT_TYPE(wxEVT_QUERY_LAYOUT_INFO, 1500) | |
28 | DECLARE_EVENT_TYPE(wxEVT_CALCULATE_LAYOUT, 1501) | |
29 | END_DECLARE_EVENT_TYPES() | |
30 | ||
31 | enum wxLayoutOrientation | |
32 | { | |
33 | wxLAYOUT_HORIZONTAL, | |
34 | wxLAYOUT_VERTICAL | |
35 | }; | |
36 | ||
37 | enum wxLayoutAlignment | |
38 | { | |
39 | wxLAYOUT_NONE, | |
40 | wxLAYOUT_TOP, | |
41 | wxLAYOUT_LEFT, | |
42 | wxLAYOUT_RIGHT, | |
43 | wxLAYOUT_BOTTOM | |
44 | }; | |
45 | ||
46 | // Not sure this is necessary | |
47 | // Tell window which dimension we're sizing on | |
48 | #define wxLAYOUT_LENGTH_Y 0x0008 | |
49 | #define wxLAYOUT_LENGTH_X 0x0000 | |
50 | ||
51 | // Use most recently used length | |
52 | #define wxLAYOUT_MRU_LENGTH 0x0010 | |
53 | ||
54 | // Only a query, so don't actually move it. | |
55 | #define wxLAYOUT_QUERY 0x0100 | |
56 | ||
57 | /* | |
58 | * This event is used to get information about window alignment, | |
59 | * orientation and size. | |
60 | */ | |
61 | ||
62 | class WXDLLEXPORT wxQueryLayoutInfoEvent: public wxEvent | |
63 | { | |
64 | DECLARE_DYNAMIC_CLASS(wxQueryLayoutInfoEvent) | |
65 | public: | |
66 | ||
67 | wxQueryLayoutInfoEvent(wxWindowID id = 0) | |
68 | { | |
69 | SetEventType(wxEVT_QUERY_LAYOUT_INFO); | |
70 | m_requestedLength = 0; | |
71 | m_flags = 0; | |
72 | m_id = id; | |
73 | m_alignment = wxLAYOUT_TOP; | |
74 | m_orientation = wxLAYOUT_HORIZONTAL; | |
75 | } | |
76 | ||
77 | // Read by the app | |
78 | void SetRequestedLength(int length) { m_requestedLength = length; } | |
79 | int GetRequestedLength() const { return m_requestedLength; } | |
80 | ||
81 | void SetFlags(int flags) { m_flags = flags; } | |
82 | int GetFlags() const { return m_flags; } | |
83 | ||
84 | // Set by the app | |
85 | void SetSize(const wxSize& size) { m_size = size; } | |
86 | wxSize GetSize() const { return m_size; } | |
87 | ||
88 | void SetOrientation(wxLayoutOrientation orient) { m_orientation = orient; } | |
89 | wxLayoutOrientation GetOrientation() const { return m_orientation; } | |
90 | ||
91 | void SetAlignment(wxLayoutAlignment align) { m_alignment = align; } | |
92 | wxLayoutAlignment GetAlignment() const { return m_alignment; } | |
93 | ||
94 | protected: | |
95 | int m_flags; | |
96 | int m_requestedLength; | |
97 | wxSize m_size; | |
98 | wxLayoutOrientation m_orientation; | |
99 | wxLayoutAlignment m_alignment; | |
100 | ||
101 | }; | |
102 | ||
103 | typedef void (wxEvtHandler::*wxQueryLayoutInfoEventFunction)(wxQueryLayoutInfoEvent&); | |
104 | ||
105 | #define EVT_QUERY_LAYOUT_INFO(func) \ | |
106 | DECLARE_EVENT_TABLE_ENTRY( wxEVT_QUERY_LAYOUT_INFO, -1, -1, (wxObjectEventFunction) (wxEventFunction) (wxQueryLayoutInfoEventFunction) & func, NULL ), | |
107 | ||
108 | /* | |
109 | * This event is used to take a bite out of the available client area. | |
110 | */ | |
111 | ||
112 | class WXDLLEXPORT wxCalculateLayoutEvent: public wxEvent | |
113 | { | |
114 | DECLARE_DYNAMIC_CLASS(wxCalculateLayoutEvent) | |
115 | public: | |
116 | wxCalculateLayoutEvent(wxWindowID id = 0) | |
117 | { | |
118 | SetEventType(wxEVT_CALCULATE_LAYOUT); | |
119 | m_flags = 0; | |
120 | m_id = id; | |
121 | } | |
122 | // Read by the app | |
123 | inline void SetFlags(int flags) { m_flags = flags; } | |
124 | inline int GetFlags() const { return m_flags; } | |
125 | ||
126 | // Set by the app | |
127 | inline void SetRect(const wxRect& rect) { m_rect = rect; } | |
128 | inline wxRect GetRect() const { return m_rect; } | |
129 | protected: | |
130 | int m_flags; | |
131 | wxRect m_rect; | |
132 | }; | |
133 | ||
134 | typedef void (wxEvtHandler::*wxCalculateLayoutEventFunction)(wxCalculateLayoutEvent&); | |
135 | ||
136 | #define EVT_CALCULATE_LAYOUT(func) \ | |
137 | DECLARE_EVENT_TABLE_ENTRY( wxEVT_CALCULATE_LAYOUT, -1, -1, (wxObjectEventFunction) (wxEventFunction) (wxCalculateLayoutEventFunction) & func, NULL ), | |
138 | ||
139 | #if wxUSE_SASH | |
140 | ||
141 | // This is window that can remember alignment/orientation, does its own layout, | |
142 | // and can provide sashes too. Useful for implementing docked windows with sashes in | |
143 | // an IDE-style interface. | |
144 | class WXDLLEXPORT wxSashLayoutWindow: public wxSashWindow | |
145 | { | |
146 | DECLARE_CLASS(wxSashLayoutWindow) | |
147 | public: | |
148 | wxSashLayoutWindow() | |
149 | { | |
150 | Init(); | |
151 | } | |
152 | ||
153 | wxSashLayoutWindow(wxWindow *parent, wxWindowID id = -1, const wxPoint& pos = wxDefaultPosition, | |
154 | const wxSize& size = wxDefaultSize, long style = wxSW_3D|wxCLIP_CHILDREN, const wxString& name = "layoutWindow") | |
155 | { | |
156 | Create(parent, id, pos, size, style, name); | |
157 | } | |
158 | ||
159 | bool Create(wxWindow *parent, wxWindowID id = -1, const wxPoint& pos = wxDefaultPosition, | |
160 | const wxSize& size = wxDefaultSize, long style = wxSW_3D|wxCLIP_CHILDREN, const wxString& name = "layoutWindow"); | |
161 | ||
162 | // Accessors | |
163 | inline wxLayoutAlignment GetAlignment() const { return m_alignment; }; | |
164 | inline wxLayoutOrientation GetOrientation() const { return m_orientation; }; | |
165 | ||
166 | inline void SetAlignment(wxLayoutAlignment align) { m_alignment = align; }; | |
167 | inline void SetOrientation(wxLayoutOrientation orient) { m_orientation = orient; }; | |
168 | ||
169 | // Give the window default dimensions | |
170 | inline void SetDefaultSize(const wxSize& size) { m_defaultSize = size; } | |
171 | ||
172 | // Event handlers | |
173 | // Called by layout algorithm to allow window to take a bit out of the | |
174 | // client rectangle, and size itself if not in wxLAYOUT_QUERY mode. | |
175 | void OnCalculateLayout(wxCalculateLayoutEvent& event); | |
176 | ||
177 | // Called by layout algorithm to retrieve information about the window. | |
178 | void OnQueryLayoutInfo(wxQueryLayoutInfoEvent& event); | |
179 | ||
180 | private: | |
181 | void Init(); | |
182 | ||
183 | wxLayoutAlignment m_alignment; | |
184 | wxLayoutOrientation m_orientation; | |
185 | wxSize m_defaultSize; | |
186 | ||
187 | DECLARE_EVENT_TABLE() | |
188 | }; | |
189 | ||
190 | #endif // wxUSE_SASH | |
191 | ||
192 | class WXDLLEXPORT wxMDIParentFrame; | |
193 | class WXDLLEXPORT wxFrame; | |
194 | ||
195 | // This class implements the layout algorithm | |
196 | class WXDLLEXPORT wxLayoutAlgorithm: public wxObject | |
197 | { | |
198 | public: | |
199 | wxLayoutAlgorithm() {} | |
200 | ||
201 | #if wxUSE_MDI_ARCHITECTURE | |
202 | // The MDI client window is sized to whatever's left over. | |
203 | bool LayoutMDIFrame(wxMDIParentFrame* frame, wxRect* rect = (wxRect*) NULL); | |
204 | #endif // wxUSE_MDI_ARCHITECTURE | |
205 | ||
206 | // mainWindow is sized to whatever's left over. This function for backward | |
207 | // compatibility; use LayoutWindow. | |
208 | bool LayoutFrame(wxFrame* frame, wxWindow* mainWindow = (wxWindow*) NULL) | |
209 | { | |
210 | return LayoutWindow(frame, mainWindow); | |
211 | } | |
212 | ||
213 | // mainWindow is sized to whatever's left over. | |
214 | bool LayoutWindow(wxWindow* frame, wxWindow* mainWindow = (wxWindow*) NULL); | |
215 | }; | |
216 | ||
217 | #endif | |
218 | // _WX_LAYWIN_H_G_ |