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// 7 april 2015
/*
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.
*/
#ifndef __UI_UI_WINDOWS_H__
#define __UI_UI_WINDOWS_H__
// uiWindowsNewControl() creates a new uiControl with the given Windows API control inside.
typedef struct uiWindowsNewControlParams uiWindowsNewControlParams;
struct uiWindowsNewControlParams {
// These match the CreateWindowExW() function.
DWORD dwExStyle;
LPCWSTR lpClassName;
//TODO? LPCWSTR lpWindowName;
DWORD dwStyle; // WS_CHILD and WS_VISIBLE are automatically applied.
HINSTANCE hInstance;
// These are called when the control sends a WM_COMMAND or WM_NOTIFY (respectively) to its parent.
// ui redirects the message back and calls these functions.
// 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.
// 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.
BOOL (*onWM_COMMAND)(uiControl *c, WPARAM wParam, LPARAM lParam, void *data, LRESULT *lResult);
BOOL (*onWM_NOTIFY)(uiControl *c, WPARAM wParam, LPARAM lParam, void *data, LRESULT *lResult);
// This is the data parameter to both of the above.
void *onCommandNotifyData;
// This function is called when ui needs to know how to rearrange controls in a window.
// baseX and baseY are the base units used to convert between dialog units and pixels.
// internalLeading is the internal leading of the control font.
void (*preferredSize)(uiControl *c, int baseX, int baseY, LONG internalLeading, intmax_t *width, intmax_t *height);
// Data you can get with uiWindowsControlData()
void *data;
};
uiControl *uiWindowsNewControl(uiWindowsNewControlParams *);
void *uiWindowsControlData(uiControl *);
// use these in your preferredSize() implementation with baseX and baseY
#define uiDlgUnitToX(dlg, baseX) MulDiv((dlg), baseX, 4)
#define uiDlgUnitToY(dlg, baseY) MulDiv((dlg), baseY, 8)
// and use this if you need the text of the window width
// TODO really export?
extern intmax_t uiWindowsWindowTextWidth(HWND hwnd);
#endif
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