#define _WIN32_IE 0x0501
#include <windows.h>
#include <commctrl.h>
#define IDM_DOCK_FLOAT 0x2000
#define IDM_DOCK 0x2001
#define IDM_FLOAT 0x2002
#define IDM_RECALC_LAYOUT 0x2003
TBBUTTON tool_bar_buttons[] = {
{ STD_FILENEW, 1, TBSTATE_ENABLED, TBSTYLE_BUTTON, 0, 0, 0 },
{ STD_FILEOPEN, 2, TBSTATE_ENABLED, TBSTYLE_BUTTON, 0, 0, 0 },
{ STD_FILESAVE, 3, TBSTATE_ENABLED, TBSTYLE_BUTTON, 0, 0, 0 },
{ 0, 0, TBSTATE_ENABLED, TBSTYLE_SEP, 0, 0, 0 },
{ STD_COPY, 4, TBSTATE_ENABLED, TBSTYLE_BUTTON, 0, 0, 0 },
{ STD_CUT, 5, TBSTATE_ENABLED, TBSTYLE_BUTTON, 0, 0, 0 },
{ STD_DELETE, 6, TBSTATE_ENABLED, TBSTYLE_BUTTON, 0, 0, 0 },
{ 0, 0, TBSTATE_ENABLED, TBSTYLE_SEP, 0, 0, 0 },
{ VIEW_NEWFOLDER, 7, TBSTATE_ENABLED, TBSTYLE_BUTTON, 0, 0, 0 },
{ VIEW_PARENTFOLDER, 8, TBSTATE_ENABLED, TBSTYLE_BUTTON, 0, 0, 0 },
};
// ドック・コンテキスト・構造体
typedef struct {
HDC desk_hdc; // デスクトップＤＣ
HRGN apply_rgn, work_rgn, work_rgn2, last_rgn; // リージョン
int now_dragging; // ドラッグ中なら==1 そうでないなら==0
SIZE drag_size; // ドラッグ中の矩形サイズ
POINT cursor_offset; // ドラッグ中の矩形位置のマウス位置との差分
HBRUSH desk_old_brush; // デスクトップＤＣ・ブラシ
HBRUSH half_tone_brush; // ハーフトーン・ブラシ
}DOCK_CONTEXT;
// ドッキング・ツールバー統括・構造体
typedef struct {
HWND main_frame, popup_frame, htool_bar, htool_bar_frame, hview; // 各HWND
int now_nc_activing; // WM_NCACTIVATEフラグ WM_NCACTIVATEの多重再送を防ぐ
int floating_flag; // フローティング・フラグ 浮いてれば==1 そうでないなら==0
DOCK_CONTEXT dock_context; // ドック・コンテキスト・構造体
} DOCK_STRUCT;
void start_drag(DOCK_CONTEXT *p_dock_context, HWND hwnd){
HWND desk_hwnd;
RECT rc;
p_dock_context->now_dragging=1;
SetCapture(hwnd);
// デスクトップＤＣを得る
desk_hwnd=GetDesktopWindow();
LockWindowUpdate(desk_hwnd);
p_dock_context->desk_hdc= GetDCEx(desk_hwnd, NULL, DCX_WINDOW|DCX_CACHE|DCX_LOCKWINDOWUPDATE);
p_dock_context->desk_old_brush=(HBRUSH)SelectObject(p_dock_context->desk_hdc, p_dock_context->half_tone_brush);
// ドラッグ・サイズとマウスとの座標差
GetWindowRect(hwnd, &rc);
p_dock_context->drag_size.cx = rc.right-rc.left;
p_dock_context->drag_size.cy = rc.bottom-rc.top;
GetCursorPos(&p_dock_context->cursor_offset);
p_dock_context->cursor_offset.x -= rc.left;
p_dock_context->cursor_offset.y -= rc.top;
// リージョン生成
p_dock_context->apply_rgn = CreateRectRgn(0, 0, 0, 0);
p_dock_context->work_rgn = CreateRectRgn(0, 0, 0, 0);
p_dock_context->work_rgn2 = CreateRectRgn(0, 0, 0, 0);
p_dock_context->last_rgn = CreateRectRgn(0, 0, 0, 0);
}
void drag(DOCK_CONTEXT *p_dock_context){
POINT po;
RECT rc;
// 最後に描画した部分を消去（再反転してるだけ）
CombineRgn(p_dock_context->last_rgn, p_dock_context->apply_rgn, NULL, RGN_COPY);
GetCursorPos(&po);
po.x-=p_dock_context->cursor_offset.x;
po.y-=p_dock_context->cursor_offset.y;
SetRectRgn(p_dock_context->work_rgn, po.x, po.y, po.x+p_dock_context->drag_size.cx, po.y+p_dock_context->drag_size.cy);
SetRectRgn(p_dock_context->work_rgn2, po.x+4, po.y+4, po.x+p_dock_context->drag_size.cx-4, po.y+p_dock_context->drag_size.cy-4);
CombineRgn(p_dock_context->apply_rgn, p_dock_context->work_rgn, p_dock_context->work_rgn2, RGN_XOR);
CombineRgn(p_dock_context->work_rgn, p_dock_context->apply_rgn, p_dock_context->last_rgn, RGN_XOR);
// 反転による矩形描画
GetRgnBox(p_dock_context->work_rgn, &rc);
SelectObject(p_dock_context->desk_hdc, p_dock_context->work_rgn);
PatBlt(p_dock_context->desk_hdc, rc.left, rc.top, rc.right-rc.left, rc.bottom-rc.top, PATINVERT);
}
// ドラッグ終了
void end_drag(DOCK_CONTEXT *p_dock_context){
RECT rc;
p_dock_context->now_dragging=0;
ReleaseCapture();
// 最後に描画した部分を消去（再反転してるだけ）
GetRgnBox(p_dock_context->apply_rgn, &rc);
SelectObject(p_dock_context->desk_hdc, p_dock_context->apply_rgn);
PatBlt(p_dock_context->desk_hdc, rc.left, rc.top, rc.right-rc.left, rc.bottom-rc.top, PATINVERT);
// リージョン破棄
DeleteObject(p_dock_context->apply_rgn);
DeleteObject(p_dock_context->work_rgn);
DeleteObject(p_dock_context->work_rgn2);
DeleteObject(p_dock_context->last_rgn);
// デスクトップＤＣを解放
LockWindowUpdate(NULL);
if (p_dock_context->desk_hdc) ReleaseDC(GetDesktopWindow(), p_dock_context->desk_hdc);
SelectObject(p_dock_context->desk_hdc, p_dock_context->desk_old_brush);
}
// ビューウィンドウ・プロシージャ
LRESULT CALLBACK ChildViewProc(HWND hwnd, UINT msg, WPARAM wp, LPARAM lp) {
HDC hdc;
PAINTSTRUCT ps;
char str[]="ChildViewウィンドウ(座標0,0)";
switch (msg) {
case WM_LBUTTONDOWN:
SendMessage(GetParent(hwnd), WM_LBUTTONDOWN, wp, lp);
break;
case WM_PAINT:
hdc = BeginPaint(hwnd , &ps);
TextOut(hdc, 0, 0, str, lstrlen(str));
EndPaint(hwnd , &ps);
break;
}
return DefWindowProc(hwnd, msg, wp, lp);
}
// ポップアップウィンドウ・プロシージャ
LRESULT CALLBACK PopupProc(HWND hwnd, UINT msg, WPARAM wp, LPARAM lp) {
static DOCK_STRUCT *p_dock_struct=NULL;
RECT popup_rc, main_rc;
int res;
switch (msg) {
case WM_CREATE:
p_dock_struct=(DOCK_STRUCT*)((LPCREATESTRUCT)(lp))->lpCreateParams;
break;
case WM_NCACTIVATE: // タイトルバーのアクティブ化・非アクティブ化
if (p_dock_struct->now_nc_activing) break;
p_dock_struct->now_nc_activing=1;
SendMessage(p_dock_struct->main_frame, WM_NCACTIVATE, wp, 0);
p_dock_struct->now_nc_activing=0;
break;
case WM_LBUTTONDOWN:
if (p_dock_struct->dock_context.now_dragging) break;
start_drag(&p_dock_struct->dock_context, hwnd); // ドラッグ開始
break;
case WM_LBUTTONUP:
if (!p_dock_struct->dock_context.now_dragging) break;
end_drag(&p_dock_struct->dock_context); // ドラッグ終了
GetClientRect(p_dock_struct->main_frame, &main_rc);
GetCursorPos((POINT*)&popup_rc);
popup_rc.left -= p_dock_struct->dock_context.cursor_offset.x;
popup_rc.top -= p_dock_struct->dock_context.cursor_offset.y;
popup_rc.right = popup_rc.left + p_dock_struct->dock_context.drag_size.cx;
popup_rc.bottom= popup_rc.bottom + p_dock_struct->dock_context.drag_size.cy;
MapWindowPoints(p_dock_struct->main_frame, NULL, (LPPOINT)&main_rc, 2);
if (popup_rc.left<main_rc.right && popup_rc.right>main_rc.left
&& popup_rc.bottom>main_rc.top && popup_rc.top<(main_rc.top+1))
SendMessage(p_dock_struct->main_frame, WM_COMMAND, IDM_DOCK, 0);
else {
SetWindowPos(hwnd, NULL, popup_rc.left, popup_rc.top, 0, 0, SWP_NOSIZE);
}
break;
case WM_MOUSEMOVE:
if (!p_dock_struct->dock_context.now_dragging) break;
drag(&p_dock_struct->dock_context); // ドラッグ中
break;
case WM_NCHITTEST:
res=DefWindowProc(hwnd, msg, wp, lp);
if (res==HTCAPTION) return HTCLIENT;
return res;
}
return DefWindowProc(hwnd, msg, wp, lp);
}
// ツールバーのフレームウィンドウ・プロシージャ
LRESULT CALLBACK ToolBarFrameProc(HWND hwnd, UINT msg, WPARAM wp, LPARAM lp) {
static DOCK_STRUCT *p_dock_struct=NULL;
RECT rc, rc2;
HDC hdc;
POINT po;
PAINTSTRUCT ps;
switch (msg) {
case WM_CREATE:
p_dock_struct=(DOCK_STRUCT*)((LPCREATESTRUCT)(lp))->lpCreateParams;
InitCommonControls();
p_dock_struct->htool_bar = CreateToolbarEx( hwnd, WS_CHILD | WS_VISIBLE | TBSTYLE_AUTOSIZE, 0, 6,
(HINSTANCE)HINST_COMMCTRL, IDB_STD_SMALL_COLOR, tool_bar_buttons, 7, 0, 0, 0, 0, sizeof (TBBUTTON)
);
GetWindowRect(p_dock_struct->htool_bar, &rc);
SetWindowPos(hwnd, NULL, 0,0, rc.right-rc.left, rc.bottom-rc.top, SWP_NOMOVE);
break;
case WM_PAINT:
hdc = BeginPaint(hwnd , &ps);
GetClientRect(hwnd, &rc);
rc.left=0; rc.top=0; rc.bottom=1; FillRect(hdc, &rc, GetSysColorBrush(COLOR_BTNSHADOW));
rc.top++; rc.bottom++; FillRect(hdc, &rc, GetSysColorBrush(COLOR_BTNHILIGHT));
if (GetParent(hwnd)!=p_dock_struct->popup_frame){
// グリッパー描画
GetClientRect(hwnd, &rc);
rc.left+=2; rc.right=rc.left+3;
rc.top+=1; rc.bottom-=2;
rc2.left=rc.left; rc2.top=rc.top;
rc2.right=rc.right-1; rc2.bottom=rc.top+1; FillRect(hdc, &rc2, GetSysColorBrush(COLOR_BTNHILIGHT));
rc2.right=rc.left+1; rc2.bottom=rc.bottom-1; FillRect(hdc, &rc2, GetSysColorBrush(COLOR_BTNHILIGHT));
rc2.left=rc.right; rc2.top=rc.top;
rc2.right=rc.right-1; rc2.bottom=rc.bottom; FillRect(hdc, &rc2, GetSysColorBrush(COLOR_BTNSHADOW));
rc2.left=rc.left; rc2.top=rc.bottom;
rc2.right=rc.right; rc2.bottom=rc.bottom-1; FillRect(hdc, &rc2, GetSysColorBrush(COLOR_BTNSHADOW));
}
EndPaint(hwnd , &ps);
break;
case WM_SIZE:
SendMessage(p_dock_struct->htool_bar, WM_SIZE, wp, lp); // ツーバーのリサイズ
if (!p_dock_struct->floating_flag) SetWindowPos(p_dock_struct->htool_bar, NULL, 10,0, LOWORD(lp),HIWORD(lp), 0);
break;
case WM_LBUTTONDOWN:
if (p_dock_struct->dock_context.now_dragging) break;
start_drag(&p_dock_struct->dock_context, hwnd); // ドラッグ開始
break;
case WM_LBUTTONUP:
if (!p_dock_struct->dock_context.now_dragging) break;
end_drag(&p_dock_struct->dock_context); // ドラッグ終了
// ドッキング・フローティング判定
GetClientRect(p_dock_struct->main_frame, &rc);
GetCursorPos(&po);
po.x-=p_dock_struct->dock_context.cursor_offset.x;
po.y-=p_dock_struct->dock_context.cursor_offset.y;
MapWindowPoints(p_dock_struct->main_frame, NULL, (LPPOINT)&rc, 2); // クライアント座標→スクリーン座標
if (po.x<=rc.right && po.x>=rc.left && po.y<=(rc.top+1) && po.y>=rc.top) // ドッキング判定
SetWindowPos(hwnd, NULL, 0,0, 0,0, SWP_NOSIZE);
else if (!p_dock_struct->dock_context.now_dragging) { // フローティング判定
SetWindowPos(hwnd, NULL, 0,0, 0,0, SWP_NOSIZE);
SetWindowPos(p_dock_struct->popup_frame, NULL, po.x, po.y, 0,0, SWP_NOSIZE);
SendMessage(p_dock_struct->main_frame, WM_COMMAND, IDM_FLOAT, 0);
}
break;
case WM_MOUSEMOVE:
if (!p_dock_struct->dock_context.now_dragging) break;
drag(&p_dock_struct->dock_context); // ドラッグ中
break;
}
return DefWindowProc(hwnd, msg, wp, lp);
}
// メインウィンドウ・プロシージャ
LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wp, LPARAM lp) {
RECT rc, rc2;
static DOCK_STRUCT *p_dock_struct=NULL;
SIZE tool_size, popup_size;
switch (msg) {
case WM_CREATE:
p_dock_struct=(DOCK_STRUCT*)((LPCREATESTRUCT)(lp))->lpCreateParams;
p_dock_struct->hview= CreateWindowEx(
WS_EX_TOOLWINDOW, TEXT("child_view"), NULL, WS_CHILD | WS_VISIBLE,
0, 0, 200, 100, hwnd, NULL, ((LPCREATESTRUCT)(lp))->hInstance, NULL
);
p_dock_struct->popup_frame= CreateWindowEx(
WS_EX_TOOLWINDOW, TEXT("popup_frame"), NULL, WS_OVERLAPPEDWINDOW | WS_POPUP | WS_CLIPCHILDREN | WS_CLIPSIBLINGS,
300, 170, 200, 100, hwnd, NULL, ((LPCREATESTRUCT)(lp))->hInstance, (LPVOID)p_dock_struct
);
p_dock_struct->htool_bar_frame= CreateWindow(
TEXT("tool_bar_frame"), NULL, WS_CHILD | WS_VISIBLE | WS_CLIPCHILDREN | WS_CLIPSIBLINGS,
0, 0, 200, 100, hwnd, NULL, ((LPCREATESTRUCT)(lp))->hInstance, (LPVOID)p_dock_struct
);
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
case WM_NCACTIVATE: // タイトルバーのアクティブ化・非アクティブ化
if (p_dock_struct->now_nc_activing) break;
p_dock_struct->now_nc_activing=1;
SendMessage(p_dock_struct->popup_frame, WM_NCACTIVATE, wp, 0);
p_dock_struct->now_nc_activing=0;
break;
case WM_COMMAND:
switch(LOWORD(wp)){
case IDM_DOCK_FLOAT:
// ドッキング・フローティング切り替え
if (p_dock_struct->floating_flag) SendMessage(hwnd, WM_COMMAND, IDM_DOCK, 0);
else SendMessage(hwnd, WM_COMMAND, IDM_FLOAT, 0);
break;
case IDM_FLOAT:
// フローティング
SetParent(p_dock_struct->htool_bar_frame, p_dock_struct->popup_frame);
p_dock_struct->floating_flag = 1;
ShowWindow(p_dock_struct->popup_frame, SW_SHOW);
SendMessage(hwnd, WM_COMMAND, IDM_RECALC_LAYOUT, 0);
break;
case IDM_DOCK:
// ドッキング
SetParent(p_dock_struct->htool_bar_frame, hwnd);
p_dock_struct->floating_flag = 0;
ShowWindow(p_dock_struct->popup_frame, SW_HIDE);
SendMessage(hwnd, WM_COMMAND, IDM_RECALC_LAYOUT, 0);
break;
case IDM_RECALC_LAYOUT:
// 子ウィンドウ位置の再計算
SendMessage(p_dock_struct->htool_bar, TB_GETMAXSIZE, 0, (LPARAM)&tool_size); // ツールバー・サイズ取得
GetWindowRect(p_dock_struct->htool_bar, &rc);
tool_size.cy=rc.bottom-rc.top;
// ビューウィンドウ位置サイズ
GetClientRect(hwnd, &rc);
if (!p_dock_struct->floating_flag) rc.top =tool_size.cy;
SetWindowPos(p_dock_struct->hview, NULL, rc.left, rc.top, rc.right, rc.bottom-rc.top, 0);
if(p_dock_struct->floating_flag){
// ポップアップ・ウィンドウのウィンドウサイズ計算
GetClientRect(p_dock_struct->popup_frame, &rc);
GetWindowRect(p_dock_struct->popup_frame, &rc2);
popup_size.cx=(rc2.right-rc2.left)-rc.right; // ｳｨﾝﾄﾞｳｻｲｽﾞとｸﾗｲｱﾝﾄ領域の差 ヨコ幅
popup_size.cy=(rc2.bottom-rc2.top)-rc.bottom; // 〃 タテ幅
popup_size.cx+=tool_size.cx;
popup_size.cy+=tool_size.cy;
SetWindowPos(p_dock_struct->popup_frame, NULL, 0, 0, popup_size.cx, popup_size.cy, SWP_NOMOVE);
}
// ツールバー横サイズ補正
GetClientRect(GetParent(p_dock_struct->htool_bar_frame), &rc);
SetWindowPos(p_dock_struct->htool_bar_frame, NULL, 0, 0, rc.right, tool_size.cy, 0);
break;
}
break;
case WM_SIZE:
SendMessage(hwnd, WM_COMMAND, IDM_RECALC_LAYOUT, 0);
break;
case WM_LBUTTONDOWN:
SendMessage(hwnd, WM_COMMAND, IDM_DOCK_FLOAT, 0);
break;
}
return DefWindowProc(hwnd, msg, wp, lp);
}
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, PSTR lpCmdLine, int nCmdShow ) {
MSG msg;
WNDCLASS winc;
DOCK_STRUCT dock_struct; // ウィンドウ・ハンドルの一括化 構造体
WORD gray_pattern[8];
HBITMAP gray_bitmap;
int i;
winc.style = CS_HREDRAW | CS_VREDRAW;
winc.lpfnWndProc = WndProc;
winc.cbClsExtra = winc.cbWndExtra = 0;
winc.hInstance = hInstance;
winc.hIcon = LoadIcon(NULL, IDI_APPLICATION);
winc.hCursor = LoadCursor(NULL, IDC_ARROW);
winc.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
winc.lpszMenuName = NULL;
winc.lpszClassName = TEXT("main_frame");
if (!RegisterClass(&winc)) return -1; // メイン・ウィンドウ
winc.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
winc.lpfnWndProc = ChildViewProc;
winc.lpszClassName = TEXT("child_view");
if (!RegisterClass(&winc)) return -1; // ビューウィンドウ
winc.hbrBackground = (HBRUSH)(COLOR_BTNFACE+1);
winc.lpfnWndProc = PopupProc;
winc.lpszClassName = TEXT("popup_frame");
if (!RegisterClass(&winc)) return -1; // フローティング・フレーム・ウィンドウ
winc.hbrBackground = (HBRUSH)(COLOR_BTNFACE+1);
winc.lpfnWndProc = ToolBarFrameProc;
winc.lpszClassName = TEXT("tool_bar_frame");
if (!RegisterClass(&winc)) return -1; // ツールバーの外枠ウィンドウ
dock_struct.now_nc_activing=0;
dock_struct.floating_flag=0;
dock_struct.dock_context.now_dragging=0;
dock_struct.main_frame = CreateWindow(
TEXT("main_frame"), TEXT("ドッキング・ツールバーのテスト"),
WS_OVERLAPPEDWINDOW | WS_VISIBLE | WS_CLIPCHILDREN,
100, 100, 240, 200, NULL, NULL, hInstance, (LPVOID)&dock_struct
);
// ハーフトーン・パレット生成
for (i=0;i<8;i++) gray_pattern[i] = (WORD)(0x5555 << (i & 1)); // 0x5555 は2bitで 01010101 01010101
gray_bitmap = CreateBitmap(8, 8, 1, 1, &gray_pattern);
if (gray_bitmap != NULL) {
dock_struct.dock_context.half_tone_brush = ::CreatePatternBrush(gray_bitmap);
DeleteObject(gray_bitmap);
}
if (dock_struct.main_frame == NULL) return -1;
while(GetMessage(&msg, NULL, 0, 0)) {
TranslateMessage(&msg);
DispatchMessage(&msg);
}
DeleteObject(half_tone_brush); // ハーフトーン・パレット破棄
return msg.wParam;
}
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