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[MSPAINT] Avoid flickering when resizing (#5144)
- Add CPaletteWindow::OnEraseBkgnd to avoid flickering. - Add getColorBoxRect and drawColorBox helper functions to draw a color box. - Add CPaletteWindow::DoHitTest helper function to do a hit test. - Improve CPaletteWindow::OnPaint by using a memory bitmap. - Improve readability of CMainWindow::alignChildrenToMainWindow. CORE-18867
This commit is contained in:
Katayama Hirofumi MZ
GitHub
parent
f5840df9e9
commit
44b2a46d03
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@ -4,95 +4,162 @@
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* FILE: base/applications/mspaint/palette.cpp
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* PURPOSE: Window procedure of the palette window
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* PROGRAMMERS: Benedikt Freisen
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* Katayama Hirofumi MZ <katayama.hirofumi.mz@gmail.com>
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*/
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/* INCLUDES *********************************************************/
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#include "precomp.h"
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/* The private metrics */
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#define CXY_SELECTEDBOX 15 /* width / height of a selected color box */
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#define X_MARGIN 4 /* horizontal margin */
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#define Y_MARGIN ((rcClient.bottom / 2) - CXY_COLORBOX) /* center position minus one color box */
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#define X_COLORBOX_OFFSET (X_MARGIN + CXY_BIGBOX + X_MARGIN)
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#define COLOR_COUNT 28
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#define HALF_COLOR_COUNT (COLOR_COUNT / 2)
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/* FUNCTIONS ********************************************************/
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static VOID drawColorBox(HDC hDC, LPCRECT prc, COLORREF rgbColor, UINT nBorder)
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{
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RECT rc = *prc;
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::FillRect(hDC, &rc, (HBRUSH)(COLOR_3DFACE + 1));
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::DrawEdge(hDC, &rc, nBorder, BF_RECT | BF_ADJUST);
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HBRUSH hbr = ::CreateSolidBrush(rgbColor);
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::FillRect(hDC, &rc, hbr);
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::DeleteObject(hbr);
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}
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static VOID getColorBoxRect(LPRECT prc, const RECT& rcClient, INT iColor)
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{
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INT dx = (iColor % HALF_COLOR_COUNT) * CXY_COLORBOX; /* delta x */
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INT dy = (iColor / HALF_COLOR_COUNT) * CXY_COLORBOX; /* delta y */
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prc->left = X_COLORBOX_OFFSET + dx;
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prc->right = prc->left + CXY_COLORBOX;
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prc->top = Y_MARGIN + dy;
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prc->bottom = prc->top + CXY_COLORBOX;
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}
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INT CPaletteWindow::DoHitTest(INT xPos, INT yPos) const
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{
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RECT rcClient;
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GetClientRect(&rcClient);
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/* delta x and y */
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INT dx = (xPos - X_COLORBOX_OFFSET), dy = (yPos - Y_MARGIN);
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/* horizontal and vertical indexes */
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INT ix = (dx / CXY_COLORBOX), iy = (dy / CXY_COLORBOX);
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/* Is it inside of a color box? */
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if (0 <= ix && ix < HALF_COLOR_COUNT && 0 <= iy && iy < 2)
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return ix + (iy * HALF_COLOR_COUNT); /* return the color index */
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return -1; /* Not found */
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}
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LRESULT CPaletteWindow::OnEraseBkgnd(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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{
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return TRUE; /* Avoid flickering */
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}
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LRESULT CPaletteWindow::OnPaint(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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{
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RECT rc = { 0, 0, 31, 32 };
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HPEN oldPen;
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HBRUSH oldBrush;
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int i, a, b;
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RECT rc, rcClient;
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GetClientRect(&rcClient);
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PAINTSTRUCT ps;
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HDC hDC = BeginPaint(&ps);
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for(b = 2; b < 30; b++)
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for(a = 2; a < 29; a++)
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if ((a + b) % 2 == 1)
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SetPixel(hDC, a, b, GetSysColor(COLOR_BTNHILIGHT));
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/* To avoid flickering, we use a memory bitmap.
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The left and top values are zeros in client rectangle */
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HDC hMemDC = ::CreateCompatibleDC(hDC);
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HBITMAP hbm = ::CreateCompatibleBitmap(hDC, rcClient.right, rcClient.bottom);
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HGDIOBJ hbmOld = ::SelectObject(hMemDC, hbm);
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DrawEdge(hDC, &rc, EDGE_RAISED, BF_TOPLEFT);
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DrawEdge(hDC, &rc, BDR_SUNKENOUTER, BF_TOPLEFT | BF_BOTTOMRIGHT);
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SetRect(&rc, 11, 12, 26, 27);
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DrawEdge(hDC, &rc, BDR_RAISEDINNER, BF_RECT | BF_MIDDLE);
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oldPen = (HPEN) SelectObject(hDC, CreatePen(PS_NULL, 0, 0));
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oldBrush = (HBRUSH) SelectObject(hDC, CreateSolidBrush(paletteModel.GetBgColor()));
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Rectangle(hDC, rc.left, rc.top + 2, rc.right - 1, rc.bottom - 1);
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DeleteObject(SelectObject(hDC, oldBrush));
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SetRect(&rc, 4, 5, 19, 20);
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DrawEdge(hDC, &rc, BDR_RAISEDINNER, BF_RECT | BF_MIDDLE);
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oldBrush = (HBRUSH) SelectObject(hDC, CreateSolidBrush(paletteModel.GetFgColor()));
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Rectangle(hDC, rc.left + 2, rc.top + 2, rc.right - 1, rc.bottom - 1);
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DeleteObject(SelectObject(hDC, oldBrush));
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DeleteObject(SelectObject(hDC, oldPen));
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/* Fill the background (since WM_ERASEBKGND handling is disabled) */
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::FillRect(hMemDC, &rcClient, (HBRUSH)(COLOR_3DFACE + 1));
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for(i = 0; i < 28; i++)
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/* Draw the big box that contains the black box and the white box */
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::SetRect(&rc, X_MARGIN, Y_MARGIN, X_MARGIN + CXY_BIGBOX, Y_MARGIN + CXY_BIGBOX);
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::DrawEdge(hMemDC, &rc, EDGE_SUNKEN, BF_RECT | BF_ADJUST);
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COLORREF rgbLight = ::GetSysColor(COLOR_3DHIGHLIGHT);
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for (INT y = rc.top; y < rc.bottom; ++y)
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{
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SetRect(&rc, 31 + (i % 14) * 16,
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0 + (i / 14) * 16, 16 + 31 + (i % 14) * 16, 16 + 0 + (i / 14) * 16);
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DrawEdge(hDC, &rc, EDGE_RAISED, BF_TOPLEFT);
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DrawEdge(hDC, &rc, BDR_SUNKENOUTER, BF_RECT);
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oldPen = (HPEN) SelectObject(hDC, CreatePen(PS_NULL, 0, 0));
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oldBrush = (HBRUSH) SelectObject(hDC, CreateSolidBrush(paletteModel.GetColor(i)));
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Rectangle(hDC, rc.left + 2, rc.top + 2, rc.right - 1, rc.bottom - 1);
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DeleteObject(SelectObject(hDC, oldBrush));
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DeleteObject(SelectObject(hDC, oldPen));
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BOOL bLight = (y & 1);
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for (INT x = rc.left; x < rc.right; ++x)
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{
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if (bLight)
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::SetPixelV(hMemDC, x, y, rgbLight);
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bLight = !bLight;
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}
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}
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/* Draw the white box in the big box, at 5/8 position */
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rc.left = X_MARGIN + (CXY_BIGBOX * 5 / 8) - (CXY_SELECTEDBOX / 2);
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rc.top = Y_MARGIN + (CXY_BIGBOX * 5 / 8) - (CXY_SELECTEDBOX / 2);
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rc.right = rc.left + CXY_SELECTEDBOX;
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rc.bottom = rc.top + CXY_SELECTEDBOX;
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drawColorBox(hMemDC, &rc, paletteModel.GetBgColor(), BDR_RAISEDINNER);
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/* Draw the black box (overlapping the white box), at 3/8 position */
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rc.left = X_MARGIN + (CXY_BIGBOX * 3 / 8) - (CXY_SELECTEDBOX / 2);
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rc.top = Y_MARGIN + (CXY_BIGBOX * 3 / 8) - (CXY_SELECTEDBOX / 2);
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rc.right = rc.left + CXY_SELECTEDBOX;
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rc.bottom = rc.top + CXY_SELECTEDBOX;
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drawColorBox(hMemDC, &rc, paletteModel.GetFgColor(), BDR_RAISEDINNER);
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/* Draw the normal color boxes */
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for (INT i = 0; i < COLOR_COUNT; i++)
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{
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getColorBoxRect(&rc, rcClient, i);
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drawColorBox(hMemDC, &rc, paletteModel.GetColor(i), BDR_SUNKENOUTER);
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}
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/* Transfer bits (hDC <-- hMemDC) */
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::BitBlt(hDC, 0, 0, rcClient.right, rcClient.bottom, hMemDC, 0, 0, SRCCOPY);
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::SelectObject(hMemDC, hbmOld);
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::DeleteDC(hMemDC);
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EndPaint(&ps);
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return 0;
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}
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LRESULT CPaletteWindow::OnLButtonDown(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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{
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if (GET_X_LPARAM(lParam) >= 31)
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paletteModel.SetFgColor(paletteModel.GetColor((GET_X_LPARAM(lParam) - 31) / 16 + (GET_Y_LPARAM(lParam) / 16) * 14));
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INT iColor = DoHitTest(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
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if (iColor != -1)
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paletteModel.SetFgColor(paletteModel.GetColor(iColor));
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return 0;
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}
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LRESULT CPaletteWindow::OnRButtonDown(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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{
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if (GET_X_LPARAM(lParam) >= 31)
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paletteModel.SetBgColor(paletteModel.GetColor((GET_X_LPARAM(lParam) - 31) / 16 + (GET_Y_LPARAM(lParam) / 16) * 14));
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INT iColor = DoHitTest(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
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if (iColor != -1)
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paletteModel.SetBgColor(paletteModel.GetColor(iColor));
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return 0;
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}
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LRESULT CPaletteWindow::OnLButtonDblClk(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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{
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if (GET_X_LPARAM(lParam) >= 31)
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if (ChooseColor(&choosecolor))
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{
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paletteModel.SetColor((GET_X_LPARAM(lParam) - 31) / 16 + (GET_Y_LPARAM(lParam) / 16) * 14,
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choosecolor.rgbResult);
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paletteModel.SetFgColor(choosecolor.rgbResult);
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}
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INT iColor = DoHitTest(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
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if (iColor != -1 && ChooseColor(&choosecolor))
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{
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paletteModel.SetColor(iColor, choosecolor.rgbResult);
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paletteModel.SetFgColor(choosecolor.rgbResult);
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}
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return 0;
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}
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LRESULT CPaletteWindow::OnRButtonDblClk(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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{
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if (GET_X_LPARAM(lParam) >= 31)
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if (ChooseColor(&choosecolor))
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{
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paletteModel.SetColor((GET_X_LPARAM(lParam) - 31) / 16 + (GET_Y_LPARAM(lParam) / 16) * 14,
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choosecolor.rgbResult);
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paletteModel.SetBgColor(choosecolor.rgbResult);
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}
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INT iColor = DoHitTest(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
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if (iColor != -1 && ChooseColor(&choosecolor))
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{
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paletteModel.SetColor(iColor, choosecolor.rgbResult);
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paletteModel.SetBgColor(choosecolor.rgbResult);
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}
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return 0;
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}
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@ -8,12 +8,17 @@
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#pragma once
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#define CXY_COLORBOX 16 /* width / height of a normal color box */
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#define CXY_BIGBOX (CXY_COLORBOX * 2) /* width / height of the big box */
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#define CY_PALETTE (8 + CXY_BIGBOX + 8)
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class CPaletteWindow : public CWindowImpl<CPaletteWindow>
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{
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public:
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DECLARE_WND_CLASS_EX(_T("Palette"), CS_DBLCLKS, COLOR_BTNFACE)
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BEGIN_MSG_MAP(CPaletteWindow)
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MESSAGE_HANDLER(WM_ERASEBKGND, OnEraseBkgnd)
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MESSAGE_HANDLER(WM_PAINT, OnPaint)
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MESSAGE_HANDLER(WM_LBUTTONDOWN, OnLButtonDown)
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MESSAGE_HANDLER(WM_RBUTTONDOWN, OnRButtonDown)
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@ -23,6 +28,7 @@ public:
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MESSAGE_HANDLER(WM_PALETTEMODELPALETTECHANGED, OnPaletteModelPaletteChanged)
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END_MSG_MAP()
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LRESULT OnEraseBkgnd(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
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LRESULT OnPaint(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
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LRESULT OnLButtonDown(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
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LRESULT OnRButtonDown(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
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LRESULT OnRButtonDblClk(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
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LRESULT OnPaletteModelColorChanged(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
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LRESULT OnPaletteModelPaletteChanged(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
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protected:
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INT DoHitTest(INT xPos, INT yPos) const;
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};
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@ -119,6 +119,7 @@
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#define ID_SHAPE 613
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#define ID_ELLIPSE 614
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#define ID_RRECT 615
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#define NUM_TOOLS (ID_RRECT - ID_FREESEL + 1)
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#define ID_ACCELERATORS 800
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@ -18,15 +18,13 @@ LRESULT CToolBox::OnCreate(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandl
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HIMAGELIST hImageList;
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HBITMAP tempBm;
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int i;
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TCHAR tooltips[16][30];
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TCHAR tooltips[NUM_TOOLS][30];
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/*
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* FIXME: Unintentionally there is a line above the tool bar (hidden by y-offset).
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* To prevent cropping of the buttons height has been increased from 200 to 205
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*/
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RECT toolbarPos = {1, -2, 1 + 50, -2 + 205};
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toolbar.Create(TOOLBARCLASSNAME, m_hWnd, toolbarPos, NULL,
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WS_CHILD | WS_VISIBLE | CCS_NOPARENTALIGN | CCS_VERT | CCS_NORESIZE | TBSTYLE_TOOLTIPS);
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/* NOTE: The horizontal line above the toolbar is hidden by CCS_NODIVIDER style. */
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RECT toolbarPos = {0, 0, CX_TOOLBAR, CY_TOOLBAR};
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DWORD style = WS_CHILD | WS_VISIBLE | CCS_NOPARENTALIGN | CCS_VERT | CCS_NORESIZE |
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TBSTYLE_TOOLTIPS | TBSTYLE_FLAT | CCS_NODIVIDER;
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toolbar.Create(TOOLBARCLASSNAME, m_hWnd, toolbarPos, NULL, style);
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hImageList = ImageList_Create(16, 16, ILC_COLOR24 | ILC_MASK, 16, 0);
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toolbar.SendMessage(TB_SETIMAGELIST, 0, (LPARAM) hImageList);
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tempBm = (HBITMAP) LoadImage(hProgInstance, MAKEINTRESOURCE(IDB_TOOLBARICONS), IMAGE_BITMAP, 256, 16, 0);
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DeleteObject(tempBm);
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toolbar.SendMessage(TB_BUTTONSTRUCTSIZE, sizeof(TBBUTTON), 0);
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for(i = 0; i < 16; i++)
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for (i = 0; i < NUM_TOOLS; i++)
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{
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TBBUTTON tbbutton;
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int wrapnow = 0;
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@ -54,7 +52,7 @@ LRESULT CToolBox::OnCreate(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandl
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toolbar.SendMessage(TB_CHECKBUTTON, ID_PEN, MAKELPARAM(TRUE, 0));
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toolbar.SendMessage(TB_SETMAXTEXTROWS, 0, 0);
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toolbar.SendMessage(TB_SETBUTTONSIZE, 0, MAKELPARAM(25, 25));
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toolbar.SendMessage(TB_SETBUTTONSIZE, 0, MAKELPARAM(CXY_TB_BUTTON, CXY_TB_BUTTON));
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return 0;
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}
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#pragma once
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#define TOOLBAR_ROWS 8
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#define TOOLBAR_COLUMNS 2
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#define CXY_TB_BUTTON 25
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#define CX_TOOLBAR ((TOOLBAR_COLUMNS * CXY_TB_BUTTON) + 2)
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#define CY_TOOLBAR ((TOOLBAR_ROWS * CXY_TB_BUTTON) + 2)
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class CToolBox : public CWindowImpl<CToolBox>
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{
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public:
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@ -47,45 +47,45 @@ zoomTo(int newZoom, int mouseX, int mouseY)
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void CMainWindow::alignChildrenToMainWindow()
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{
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int x, y, w, h;
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RECT clientRect;
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RECT clientRect, rc;
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GetClientRect(&clientRect);
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RECT rcSpace = clientRect;
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if (::IsWindowVisible(hStatusBar))
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{
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::GetWindowRect(hStatusBar, &rc);
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rcSpace.bottom -= rc.bottom - rc.top;
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}
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HDWP hDWP = ::BeginDeferWindowPos(3);
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if (::IsWindowVisible(toolBoxContainer))
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{
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x = 56;
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w = clientRect.right - 56;
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}
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else
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{
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x = 0;
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w = clientRect.right;
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}
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if (::IsWindowVisible(paletteWindow))
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{
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y = 49;
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h = clientRect.bottom - 49;
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}
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else
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{
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y = 3;
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h = clientRect.bottom - 3;
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hDWP = ::DeferWindowPos(hDWP, toolBoxContainer, NULL,
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rcSpace.left, rcSpace.top,
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CX_TOOLBAR, rcSpace.bottom - rcSpace.top,
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SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOREPOSITION);
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rcSpace.left += CX_TOOLBAR;
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}
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INT statusBarHeight = 0;
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if (::IsWindowVisible(hStatusBar))
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if (::IsWindowVisible(paletteWindow))
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{
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RECT Rect;
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INT borders[3];
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::SendMessage(hStatusBar, SB_GETRECT, 0, (LPARAM)&Rect);
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::SendMessage(hStatusBar, SB_GETBORDERS, 0, (LPARAM)&borders);
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statusBarHeight = Rect.bottom - Rect.top + borders[1];
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hDWP = ::DeferWindowPos(hDWP, paletteWindow, NULL,
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rcSpace.left, rcSpace.top,
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rcSpace.right - rcSpace.left, CY_PALETTE,
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SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOREPOSITION);
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rcSpace.top += CY_PALETTE;
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}
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if (scrollboxWindow.IsWindow())
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scrollboxWindow.MoveWindow(x, y, w, h - statusBarHeight, TRUE);
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if (paletteWindow.IsWindow())
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paletteWindow.MoveWindow(x, 9, 255, 32, TRUE);
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{
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hDWP = ::DeferWindowPos(hDWP, scrollboxWindow, NULL,
|
||||
rcSpace.left, rcSpace.top,
|
||||
rcSpace.right - rcSpace.left, rcSpace.bottom - rcSpace.top,
|
||||
SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOREPOSITION);
|
||||
}
|
||||
|
||||
::EndDeferWindowPos(hDWP);
|
||||
}
|
||||
|
||||
void CMainWindow::saveImage(BOOL overwrite)
|
||||
|
|
@ -369,11 +369,10 @@ LRESULT CMainWindow::OnSize(UINT nMsg, WPARAM wParam, LPARAM lParam, BOOL& bHand
|
|||
int test[] = { LOWORD(lParam) - 260, LOWORD(lParam) - 140, LOWORD(lParam) - 20 };
|
||||
if (::IsWindow(hStatusBar))
|
||||
{
|
||||
::SendMessage(hStatusBar, WM_SIZE, wParam, lParam);
|
||||
::SendMessage(hStatusBar, WM_SIZE, 0, 0);
|
||||
::SendMessage(hStatusBar, SB_SETPARTS, 3, (LPARAM)&test);
|
||||
}
|
||||
alignChildrenToMainWindow();
|
||||
Invalidate(TRUE);
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue