andlabs-ui/winapi_windows.h

// 17 july 2014

// cgo will include this file multiple times
#ifndef __GO_UI_WINAPI_WINDOWS_H__
#define __GO_UI_WINAPI_WINDOWS_H__

#define UNICODE
#define _UNICODE
#define STRICT
#define STRICT_TYPED_ITEMIDS
// get Windows version right; right now Windows XP
#define WINVER 0x0501
#define _WIN32_WINNT 0x0501
#define _WIN32_WINDOWS 0x0501		/* according to Microsoft's winperf.h */
#define _WIN32_IE 0x0600			/* according to Microsoft's sdkddkver.h */
#define NTDDI_VERSION 0x05010000	/* according to Microsoft's sdkddkver.h */
#include <windows.h>
#include <commctrl.h>
#include <stdint.h>
#include <uxtheme.h>
#include <string.h>
#include <wchar.h>
#include <windowsx.h>
#include <vsstyle.h>
#include <vssym32.h>

// global messages unique to everything
enum {
	msgRequest = WM_APP + 1,		// + 1 just to be safe
	msgCOMMAND,				// WM_COMMAND proxy; see forwardCommand() in controls_windows.go
	msgNOTIFY,					// WM_NOTIFY proxy
	msgAreaSizeChanged,
	msgAreaGetScroll,
	msgAreaRepaint,
	msgAreaRepaintAll,
	msgTabCurrentTabHasChildren,
	msgAreaKeyDown,
	msgAreaKeyUp,
	msgLoadImageList,
	msgTableMakeInitialCheckboxImageList,
	msgOpenFileDone,
};

// there are a number of places where we need to know what window class an arbitrary handle has
// theoretically we could use the class atom to avoid a _wcsicmp()
// however, raymond chen advises against this - http://blogs.msdn.com/b/oldnewthing/archive/2004/10/11/240744.aspx (and we're not in control of the Tab class, before you say anything)
// MSDN says 256 is the maximum length of a class name; add a few characters just to be safe (because it doesn't say whether this includes the terminating null character)
// TODO localize this to a helper function
#define maxClassName 260

// uitask_windows.c
extern void uimsgloop(void);
extern void issue(void *);
extern HWND msgwin;
extern DWORD makemsgwin(char **);

// comctl32_windows.c
extern DWORD initCommonControls(char **);
// these are listed as WINAPI in both Microsoft's and MinGW's headers, but not on MSDN for some reason
extern BOOL (*WINAPI fv_SetWindowSubclass)(HWND, SUBCLASSPROC, UINT_PTR, DWORD_PTR);
extern BOOL (*WINAPI fv_RemoveWindowSubclass)(HWND, SUBCLASSPROC, UINT_PTR);
extern LRESULT (*WINAPI fv_DefSubclassProc)(HWND, UINT, WPARAM, LPARAM);
extern HIMAGELIST (*WINAPI fv_ImageList_Create)(int, int, UINT, int, int);
extern int (*WINAPI fv_ImageList_Add)(HIMAGELIST, HBITMAP, HBITMAP);
extern BOOL (*WINAPI fv_ImageList_Destroy)(HIMAGELIST);

// control_windows.c
extern HWND newControl(LPWSTR, DWORD, DWORD);
extern void controlSetParent(HWND, HWND);
extern void controlSetControlFont(HWND);
extern void moveWindow(HWND, int, int, int, int);
extern LONG controlTextLength(HWND, LPWSTR);

// basicctrls_windows.c
extern void setButtonSubclass(HWND, void *);
extern void setCheckboxSubclass(HWND, void *);
extern BOOL checkboxChecked(HWND);
extern void checkboxSetChecked(HWND, BOOL);
#define textfieldStyle (ES_AUTOHSCROLL | ES_LEFT | ES_NOHIDESEL | WS_TABSTOP)
#define textfieldExtStyle (WS_EX_CLIENTEDGE)
extern void setTextFieldSubclass(HWND, void *);
extern void textfieldSetAndShowInvalidBalloonTip(HWND, WCHAR *);
extern void textfieldHideInvalidBalloonTip(HWND);
extern int textfieldReadOnly(HWND);
extern void textfieldSetReadOnly(HWND, BOOL);
extern void setGroupSubclass(HWND, void *);
extern HWND newUpDown(HWND, void *);
extern void setSpinboxEditSubclass(HWND, void *);
extern LPWSTR xPROGRESS_CLASS;

// init_windows.c
extern HINSTANCE hInstance;
extern int nCmdShow;
extern HICON hDefaultIcon;
extern HCURSOR hArrowCursor;
extern HFONT controlFont;
extern HFONT titleFont;
extern HFONT smallTitleFont;
extern HFONT menubarFont;
extern HFONT statusbarFont;
extern HBRUSH hollowBrush;
extern DWORD initWindows(char **);

// window_windows.c
extern DWORD makeWindowWindowClass(char **);
extern HWND newWindow(LPWSTR, int, int, void *);
extern void windowClose(HWND);

// common_windows.c
extern LRESULT getWindowTextLen(HWND);
extern void getWindowText(HWND, WPARAM, LPWSTR);
extern void setWindowText(HWND, LPWSTR);
extern void updateWindow(HWND);
extern void *getWindowData(HWND, UINT, WPARAM, LPARAM, LRESULT *);
extern BOOL sharedWndProc(HWND, UINT, WPARAM, LPARAM, LRESULT *);
extern void paintControlBackground(HWND, HDC);

// tab_windows.go
extern LPWSTR xWC_TABCONTROL;
extern void setTabSubclass(HWND, void *);
extern void tabAppend(HWND, LPWSTR);
extern void tabGetContentRect(HWND, RECT *);
extern LONG tabGetTabHeight(HWND);
extern void tabEnterChildren(HWND);
extern void tabLeaveChildren(HWND);

// table_windows.go
extern LPWSTR xWC_LISTVIEW;
extern void setTableSubclass(HWND, void *);
extern void tableAppendColumn(HWND, int, LPWSTR);
extern void tableUpdate(HWND, int);
extern void tableAddExtendedStyles(HWND, LPARAM);
extern void tableAutosizeColumns(HWND, int);
extern intptr_t tableSelectedItem(HWND);
extern void tableSelectItem(HWND, intptr_t);

// container_windows.c
extern RECT containerBounds(HWND);
extern void calculateBaseUnits(HWND, int *, int *, LONG *);

// area_windows.c
#define areaWindowClass L"gouiarea"
extern void repaintArea(HWND, RECT *);
extern DWORD makeAreaWindowClass(char **);
extern HWND newArea(void *);
extern HWND newAreaTextField(HWND, void *);
extern void areaOpenTextField(HWND, HWND, int, int, int, int);
extern void areaMarkTextFieldDone(HWND);

// imagelist_windows.c
extern HBITMAP unscaledBitmap(void *, intptr_t, intptr_t);
extern HIMAGELIST newImageList(int, int);
extern void addImage(HIMAGELIST, HWND, HBITMAP, int, int, int, int);
extern void applyImageList(HWND, UINT, WPARAM, HIMAGELIST, HIMAGELIST);
enum {
	checkboxStateChecked = 1 << 0,
	checkboxStateHot = 1 << 1,
	checkboxStatePushed = 1 << 2,
	checkboxnStates = 1 << 3,
};
extern HIMAGELIST makeCheckboxImageList(HWND, HTHEME *);

// dialog_windows.c
extern void openFile(HWND, void *);

#endif