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comparison foosdk/sdk/foobar2000/helpers/dialog_resize_helper.cpp @ 1:20d02a178406 default tip

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*: check in everything else yay
author Paper <paper@tflc.us>
date Mon, 05 Jan 2026 02:15:46 -0500
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0:e9bb126753e7 1:20d02a178406
1 #include "StdAfx.h"
2
3 #ifdef FOOBAR2000_DESKTOP_WINDOWS
4 #include "dialog_resize_helper.h"
5
6 static BOOL GetChildWindowRect(HWND wnd, UINT id, RECT* child)
7 {
8 RECT temp;
9 HWND wndChild = GetDlgItem(wnd, id);
10 if (wndChild == NULL) return FALSE;
11 if (!GetWindowRect(wndChild, &temp)) return FALSE;
12 if (!MapWindowPoints(0, wnd, (POINT*)&temp, 2)) return FALSE;
13 *child = temp;
14 return TRUE;
15 }
16
17 void dialog_resize_helper::set_parent(HWND wnd)
18 {
19 reset();
20 parent = wnd;
21 GetClientRect(parent,&orig_client);
22 }
23
24 void dialog_resize_helper::reset()
25 {
26 parent = 0;
27 sizegrip = 0;
28 }
29
30 void dialog_resize_helper::on_wm_size()
31 {
32 if (parent)
33 {
34 unsigned count = (unsigned) m_table.get_size();
35 if (sizegrip != 0) count++;
36 HDWP hWinPosInfo = BeginDeferWindowPos(count);
37 for(unsigned n=0;n<m_table.get_size();n++)
38 {
39 param & e = m_table[n];
40 const RECT & orig_rect = rects[n];
41 RECT cur_client;
42 GetClientRect(parent,&cur_client);
43 HWND wnd = GetDlgItem(parent,e.id);
44 if (wnd != NULL) {
45 unsigned dest_x = orig_rect.left, dest_y = orig_rect.top,
46 dest_cx = orig_rect.right - orig_rect.left, dest_cy = orig_rect.bottom - orig_rect.top;
47
48 int delta_x = cur_client.right - orig_client.right,
49 delta_y = cur_client.bottom - orig_client.bottom;
50
51 if (e.flags & X_MOVE)
52 dest_x += delta_x;
53 else if (e.flags & X_SIZE)
54 dest_cx += delta_x;
55
56 if (e.flags & Y_MOVE)
57 dest_y += delta_y;
58 else if (e.flags & Y_SIZE)
59 dest_cy += delta_y;
60
61 hWinPosInfo = DeferWindowPos(hWinPosInfo, wnd,0,dest_x,dest_y,dest_cx,dest_cy,SWP_NOZORDER | SWP_NOOWNERZORDER | SWP_NOACTIVATE);
62 }
63 }
64 if (sizegrip != 0)
65 {
66 RECT rc, rc_grip;
67 GetClientRect(parent, &rc);
68 GetWindowRect(sizegrip, &rc_grip);
69 hWinPosInfo = DeferWindowPos(hWinPosInfo, sizegrip, NULL, rc.right - (rc_grip.right - rc_grip.left), rc.bottom - (rc_grip.bottom - rc_grip.top), 0, 0, SWP_NOZORDER | SWP_NOOWNERZORDER | SWP_NOACTIVATE | SWP_NOSIZE);
70 }
71 EndDeferWindowPos(hWinPosInfo);
72 //RedrawWindow(parent,0,0,RDW_INVALIDATE);
73 }
74 }
75
76 bool dialog_resize_helper::process_message(HWND wnd,UINT msg,WPARAM wp,LPARAM lp) {
77 LRESULT result = 0;
78 if (!ProcessWindowMessage(wnd,msg,wp,lp,result)) return false;
79 SetWindowLongPtr(wnd,DWLP_MSGRESULT,result);
80 return true;
81 }
82
83 BOOL dialog_resize_helper::ProcessWindowMessage(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam, LRESULT& lResult) {
84 switch(uMsg) {
85 case WM_SIZE:
86 on_wm_size();
87 return FALSE;
88 case WM_GETMINMAXINFO:
89 {
90 RECT r;
91 LPMINMAXINFO info = (LPMINMAXINFO) lParam;
92 DWORD dwStyle = GetWindowLong(hWnd, GWL_STYLE);
93 DWORD dwExStyle = GetWindowLong(hWnd, GWL_EXSTYLE);
94 if (max_x && max_y)
95 {
96 r.left = 0; r.right = max_x;
97 r.top = 0; r.bottom = max_y;
98 MapDialogRect(hWnd,&r);
99 AdjustWindowRectEx(&r, dwStyle, FALSE, dwExStyle);
100 info->ptMaxTrackSize.x = r.right - r.left;
101 info->ptMaxTrackSize.y = r.bottom - r.top;
102 }
103 if (min_x && min_y)
104 {
105 r.left = 0; r.right = min_x;
106 r.top = 0; r.bottom = min_y;
107 MapDialogRect(hWnd,&r);
108 AdjustWindowRectEx(&r, dwStyle, FALSE, dwExStyle);
109 info->ptMinTrackSize.x = r.right - r.left;
110 info->ptMinTrackSize.y = r.bottom - r.top;
111 }
112 }
113 lResult = 0;
114 return TRUE;
115 case WM_INITDIALOG:
116 set_parent(hWnd);
117 {
118 t_size n;
119 for(n=0;n<m_table.get_size();n++) {
120 GetChildWindowRect(parent,m_table[n].id,&rects[n]);
121 }
122 }
123 return FALSE;
124 case WM_DESTROY:
125 reset();
126 return FALSE;
127 default:
128 return FALSE;
129 }
130 }
131
132 void dialog_resize_helper::add_sizegrip()
133 {
134 if (parent != 0 && sizegrip == 0)
135 {
136 sizegrip = CreateWindowEx(0, WC_SCROLLBAR, _T(""), WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | SBS_SIZEGRIP | SBS_SIZEBOXBOTTOMRIGHTALIGN,
137 0, 0, CW_USEDEFAULT, CW_USEDEFAULT,
138 parent, (HMENU)0, NULL, NULL);
139 if (sizegrip != 0)
140 {
141 RECT rc, rc_grip;
142 GetClientRect(parent, &rc);
143 GetWindowRect(sizegrip, &rc_grip);
144 SetWindowPos(sizegrip, NULL, rc.right - (rc_grip.right - rc_grip.left), rc.bottom - (rc_grip.bottom - rc_grip.top), 0, 0, SWP_NOZORDER | SWP_NOSIZE);
145 }
146 }
147 }
148
149
150 dialog_resize_helper::dialog_resize_helper(const param * src,unsigned count,unsigned p_min_x,unsigned p_min_y,unsigned p_max_x,unsigned p_max_y)
151 : min_x(p_min_x), min_y(p_min_y), max_x(p_max_x), max_y(p_max_y), parent(0), sizegrip(0)
152 {
153 m_table.set_size(count);
154 unsigned n;
155 for(n=0;n<count;n++)
156 m_table[n] = src[n];
157 rects.set_size(count);
158 }
159
160 dialog_resize_helper::~dialog_resize_helper()
161 {
162 }
163
164 #endif // FOOBAR2000_DESKTOP_WINDOWS