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path: root/plugins/AvatarHistory/src/icolib.cpp
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#include "stdafx.h"

enum IconIndex
{
	I_OVERLAY
};

static IconItem iconList[] =
{
	{ LPGEN("Avatar overlay"),	"avh_overlay",  IDI_AVATAROVERLAY }
};

static HICON LoadIconEx(IconIndex i)
{
	return IcoLib_GetIconByHandle(iconList[(int)i].hIcolib);
}

static void ReleaseIconEx(HICON hIcon)
{
	IcoLib_ReleaseIcon(hIcon);
}

static void IcoLibUpdateMenus()
{
	HICON hIcon = createDefaultOverlayedIcon(FALSE);
	Menu_ModifyItem(hMenu, nullptr, hIcon, 0);
	DestroyIcon(hIcon);
}

int IcoLibIconsChanged(WPARAM, LPARAM)
{
	IcoLibUpdateMenus();
	return 0;
}

void SetupIcoLib()
{
	g_plugin.registerIcon(LPGEN("Avatar history"), iconList);

	IcoLibUpdateMenus();
}

static HICON getOverlayedIcon(HICON icon, HICON overlay, BOOL big)
{
	HIMAGELIST il = ImageList_Create(
		GetSystemMetrics(big ? SM_CXICON : SM_CXSMICON),
		GetSystemMetrics(big ? SM_CYICON : SM_CYSMICON),
		ILC_COLOR32 | ILC_MASK, 2, 2);
	ImageList_AddIcon(il, icon);
	ImageList_AddIcon(il, overlay);
	HIMAGELIST newImage = ImageList_Merge(il, 0, il, 1, 0, 0);
	ImageList_Destroy(il);
	HICON hIcon = ImageList_GetIcon(newImage, 0, 0);
	ImageList_Destroy(newImage);
	return hIcon; // the result should be destroyed by DestroyIcon()
}


HICON createDefaultOverlayedIcon(BOOL)
{
	HICON icon0 = Skin_LoadIcon(SKINICON_OTHER_HISTORY);
	HICON icon1 = LoadIconEx(I_OVERLAY);

	HICON resIcon = getOverlayedIcon(icon0, icon1, FALSE);

	ReleaseIconEx(icon0);
	ReleaseIconEx(icon1);

	return resIcon;
}


HICON createProtoOverlayedIcon(MCONTACT hContact)
{
	HICON icon1 = LoadIconEx(I_OVERLAY);

	char *szProto = GetContactProto(hContact);
	HICON icon0 = Skin_LoadProtoIcon(szProto, ID_STATUS_ONLINE);

	HICON resIcon = getOverlayedIcon(icon0, icon1, FALSE);

	ReleaseIconEx(icon1);
	IcoLib_ReleaseIcon(icon0);
	return resIcon;
}