56 lines
2.6 KiB
C
56 lines
2.6 KiB
C
// 7 april 2015
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/*
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This file assumes that you have included <windows.h> and "ui.h" beforehand. It provides API-specific functions for interfacing with foreign controls in Windows.
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*/
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#ifndef __UI_UI_WINDOWS_H__
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#define __UI_UI_WINDOWS_H__
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// uiWindowsNewControl() creates a new uiControl with the given Windows API control inside.
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typedef struct uiWindowsNewControlParams uiWindowsNewControlParams;
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struct uiWindowsNewControlParams {
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// These match the CreateWindowExW() function.
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DWORD dwExStyle;
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LPCWSTR lpClassName;
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LPCWSTR lpWindowName;
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DWORD dwStyle; // WS_CHILD and WS_VISIBLE are automatically applied.
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HINSTANCE hInstance;
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// These are called when the control sends a WM_COMMAND or WM_NOTIFY (respectively) to its parent.
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// ui redirects the message back and calls these functions.
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// Store the result in *lResult and return any non-FALSE value (such as TRUE) to return the given result; return FALSE to pass the notification up to your window procedure.
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// Note that these are only issued if they come from the uiControl itself; notifications from children of the uiControl (such as a header control) will be received normally.
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BOOL (*onWM_COMMAND)(uiControl *c, WPARAM wParam, LPARAM lParam, void *data, LRESULT *lResult);
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BOOL (*onWM_NOTIFY)(uiControl *c, WPARAM wParam, LPARAM lParam, void *data, LRESULT *lResult);
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// This is called in WM_DESTROY.
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void (*onWM_DESTROY)(uiControl *c, void *data);
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// This is the data parameter to all three of the above.
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void *onCommandNotifyDestroyData;
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// This function is called when ui needs to know how to rearrange controls in a window.
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// baseX and baseY are the base units used to convert between dialog units and pixels.
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// internalLeading is the internal leading of the control font.
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void (*preferredSize)(uiControl *c, int baseX, int baseY, LONG internalLeading, intmax_t *width, intmax_t *height);
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// Data you can get with uiWindowsControlData()
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void *data;
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};
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uiControl *uiWindowsNewControl(uiWindowsNewControlParams *);
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void *uiWindowsControlData(uiControl *);
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// use these in your preferredSize() implementation with baseX and baseY
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#define uiDlgUnitToX(dlg, baseX) MulDiv((dlg), baseX, 4)
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#define uiDlgUnitToY(dlg, baseY) MulDiv((dlg), baseY, 8)
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// and use this if you need the text of the window width
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// TODO really export?
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extern intmax_t uiWindowsWindowTextWidth(HWND hwnd);
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// these functions get and set the window text for such a uiControl
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// the value returned should be freed with uiFreeText()
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extern char *uiWindowsControlText(uiControl *);
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extern void uiWindowsControlSetText(uiControl *, const char *);
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#endif
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