36 lines
934 B
C
36 lines
934 B
C
/* 17 july 2014 */
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#include "winapi_windows.h"
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#include "_cgo_export.h"
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HDC getDC(HWND hwnd)
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{
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HDC dc;
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dc = GetDC(hwnd);
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if (dc == NULL)
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xpanic("error getting DC for preferred size calculations", GetLastError());
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/* TODO save for restoring later */
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if (SelectObject(dc, controlFont) == NULL)
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xpanic("error loading control font into device context for preferred size calculation", GetLastError());
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return dc;
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}
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void releaseDC(HWND hwnd, HDC dc)
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{
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if (ReleaseDC(hwnd, dc) == 0)
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xpanic("error releasing DC for preferred size calculations", GetLastError());
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}
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void getTextMetricsW(HDC dc, TEXTMETRICW *tm)
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{
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if (GetTextMetricsW(dc, tm) == 0)
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xpanic("error getting text metrics for preferred size calculations", GetLastError());
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}
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void moveWindow(HWND hwnd, int x, int y, int width, int height)
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{
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if (MoveWindow(hwnd, x, y, width, height, TRUE) == 0)
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xpanic("error setting window/control rect", GetLastError());
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}
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