First Commit

libui-ng/old/_doc/misctests/gtkprogresstable.c

@@ -0,0 +1,136 @@
+// 25 june 2018
+#include <gtk/gtk.h>
+
+GtkWidget *mainwin;
+GtkWidget *vbox;
+GtkWidget *hbox;
+GtkWidget *startProgress;
+GtkWidget *startTable;
+GtkWidget *progressbar;
+GtkWidget *scrolledWindow;
+GtkListStore *model;
+GtkWidget *treeview;
+GtkWidget *hbox2;
+
+static gboolean pulseProgress(gpointer data)
+{
+	gtk_progress_bar_pulse(GTK_PROGRESS_BAR(progressbar));
+	return TRUE;
+}
+
+static void onStartProgressClicked(GtkButton *button, gpointer data)
+{
+	gtk_widget_set_sensitive(startProgress, FALSE);
+	g_timeout_add(100, pulseProgress, NULL);
+}
+
+gboolean pbarStarted = FALSE;
+gint pbarValue;
+
+static void pbarDataFunc(GtkTreeViewColumn *col, GtkCellRenderer *r, GtkTreeModel *m, GtkTreeIter *iter, gpointer data)
+{
+	if (!pbarStarted) {
+		g_object_set(r,
+			"pulse", -1,
+			"value", 0,
+			NULL);
+		return;
+	}
+	pbarValue++;
+	if (pbarValue == G_MAXINT)
+		pbarValue = 1;
+	g_object_set(r, "pulse", pbarValue, NULL);
+}
+
+static gboolean pulseTable(gpointer data)
+{
+	GtkTreePath *path;
+	GtkTreeIter iter;
+
+	path = gtk_tree_path_new_from_indices(0, -1);
+	gtk_tree_model_get_iter(GTK_TREE_MODEL(model), &iter, path);
+	gtk_tree_model_row_changed(GTK_TREE_MODEL(model), path, &iter);
+	gtk_tree_path_free(path);
+	return TRUE;
+}
+
+static void onStartTableClicked(GtkButton *button, gpointer data)
+{
+	pbarStarted = TRUE;
+	pbarValue = 0;
+
+	gtk_widget_set_sensitive(startTable, FALSE);
+	g_timeout_add(100, pulseTable, NULL);
+}
+
+static gboolean onClosing(GtkWidget *win, GdkEvent *e, gpointer data)
+{
+	gtk_main_quit();
+	return FALSE;
+}
+
+int main(void)
+{
+	GtkTreeIter iter;
+	GtkTreeViewColumn *col;
+	GtkCellRenderer *r;
+
+	gtk_init(NULL, NULL);
+
+	mainwin = gtk_window_new(GTK_WINDOW_TOPLEVEL);
+	g_signal_connect(mainwin, "delete-event", G_CALLBACK(onClosing), NULL);
+
+	vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 12);
+	gtk_container_set_border_width(GTK_CONTAINER(vbox), 12);
+	gtk_container_add(GTK_CONTAINER(mainwin), vbox);
+
+	hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 6);
+	gtk_widget_set_halign(hbox, GTK_ALIGN_CENTER);
+	gtk_container_add(GTK_CONTAINER(vbox), hbox);
+
+	startProgress = gtk_button_new_with_label("Start Progress Bar");
+	g_signal_connect(startProgress, "clicked", G_CALLBACK(onStartProgressClicked), NULL);
+	gtk_container_add(GTK_CONTAINER(hbox), startProgress);
+
+	startTable = gtk_button_new_with_label("Start Table Cell Renderer");
+	g_signal_connect(startTable, "clicked", G_CALLBACK(onStartTableClicked), NULL);
+	gtk_container_add(GTK_CONTAINER(hbox), startTable);
+
+	progressbar = gtk_progress_bar_new();
+	gtk_container_add(GTK_CONTAINER(vbox), progressbar);
+
+	scrolledWindow = gtk_scrolled_window_new(NULL, NULL);
+	gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledWindow), GTK_SHADOW_IN);
+	gtk_widget_set_vexpand(scrolledWindow, TRUE);
+	gtk_container_add(GTK_CONTAINER(vbox), scrolledWindow);
+
+	model = gtk_list_store_new(1, G_TYPE_INT);
+	gtk_list_store_append(model, &iter);
+	gtk_list_store_set(model, &iter,
+		0, 0,
+		-1);
+
+	treeview = gtk_tree_view_new_with_model(GTK_TREE_MODEL(model));
+	gtk_container_add(GTK_CONTAINER(scrolledWindow), treeview);
+
+	col = gtk_tree_view_column_new();
+	gtk_tree_view_column_set_resizable(col, TRUE);
+	gtk_tree_view_column_set_title(col, "Column");
+	gtk_tree_view_append_column(GTK_TREE_VIEW(treeview), col);
+
+	r = gtk_cell_renderer_progress_new();
+	gtk_tree_view_column_pack_start(col, r, TRUE);
+	gtk_tree_view_column_set_cell_data_func(col, r, pbarDataFunc, NULL, NULL);
+
+	hbox2 = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 6);
+	gtk_widget_set_halign(hbox2, GTK_ALIGN_CENTER);
+	gtk_container_add(GTK_CONTAINER(vbox), hbox2);
+
+	gtk_container_add(GTK_CONTAINER(hbox2), gtk_button_new_with_label("These buttons"));
+	gtk_container_add(GTK_CONTAINER(hbox2), gtk_button_new_with_label("do nothing"));
+	gtk_container_add(GTK_CONTAINER(hbox2), gtk_button_new_with_label("when clicked"));
+
+	gtk_widget_show_all(mainwin);
+	gtk_main();
+	return 0;
+}

libui-ng/old/_doc/misctests/winbuttonexplorertheme.cpp

@@ -0,0 +1,907 @@
+// 9 october 2018
+#define UNICODE
+#define _UNICODE
+#define STRICT
+#define STRICT_TYPED_ITEMIDS
+#define WINVER			0x0600	/* from Microsoft's winnls.h */
+#define _WIN32_WINNT		0x0600
+#define _WIN32_WINDOWS	0x0600	/* from Microsoft's pdh.h */
+#define _WIN32_IE			0x0700
+#define NTDDI_VERSION		0x06000000
+#include <windows.h>
+#include <commctrl.h>
+#include <uxtheme.h>
+#include <vsstyle.h>
+#include <vssym32.h>
+#include <windowsx.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+// cl winbuttonexplorertheme.cpp -MT -link user32.lib kernel32.lib gdi32.lib comctl32.lib uxtheme.lib msimg32.lib windows.res
+
+void diele(const char *func)
+{
+	DWORD le;
+
+	le = GetLastError();
+	fprintf(stderr, "%s: %I32u\n", func, le);
+	exit(EXIT_FAILURE);
+}
+
+void diehr(const char *func, HRESULT hr)
+{
+	fprintf(stderr, "%s: 0x%08I32X\n", func, hr);
+	exit(EXIT_FAILURE);
+}
+
+// TODO if we merge this into libui proper, this will need to be deduplicated
+static inline HRESULT lastErrorToHRESULT(DWORD lastError)
+{
+	if (lastError == 0)
+		return E_FAIL;
+	return HRESULT_FROM_WIN32(lastError);
+}
+
+HINSTANCE hInstance;
+HWND leftButtons[5];
+HWND rightButtons[3];
+
+class commandModuleStyleParams {
+public:
+	virtual int partID_CMOD_MODULEBACKGROUND(void) const = 0;
+	virtual int partID_CMOD_TASKBUTTON(void) const = 0;
+	virtual int partID_CMOD_SPLITBUTTONLEFT(void) const = 0;
+	virtual int partID_CMOD_SPLITBUTTONRIGHT(void) const = 0;
+	virtual int partID_CMOD_MENUGLYPH(void) const = 0;
+	virtual int partID_CMOD_OVERFLOWGLYPH(void) const = 0;
+
+	virtual int stateID_CMODS_NORMAL(void) const = 0;
+	virtual int stateID_CMODS_HOT(void) const = 0;
+	virtual int stateID_CMODS_PRESSED(void) const = 0;
+	virtual int stateID_CMODS_KEYFOCUSED(void) const = 0;
+	virtual int stateID_CMODS_NEARHOT(void) const = 0;
+
+	virtual HRESULT backgroundGradientColors(HTHEME theme, COLORREF *colors) const = 0;
+	virtual HRESULT buttonTextColor(HTHEME theme, UINT uItemState, COLORREF *color) const = 0;
+	virtual BOOL buttonTextShadowed(UINT uItemState) const = 0;
+
+	virtual int folderBarMarginsLeftDIP(void) const = 0;
+	virtual int folderBarMarginsTopDIP(void) const = 0;
+	virtual int folderBarMarginsRightDIP(void) const = 0;
+	virtual int folderBarMarginsBottomDIP(void) const = 0;
+
+	virtual int buttonMarginsXDIP(void) const = 0;
+	virtual int buttonMarginsYDIP(void) const = 0;
+	virtual int buttonTextArrowSeparationXDIP(void) const = 0;
+};
+
+class commandModuleStyleParamsVista : public commandModuleStyleParams {
+public:
+	virtual int partID_CMOD_MODULEBACKGROUND(void) const { return 1; }
+	virtual int partID_CMOD_TASKBUTTON(void) const { return 2; }
+	virtual int partID_CMOD_SPLITBUTTONLEFT(void) const { return 3; }
+	virtual int partID_CMOD_SPLITBUTTONRIGHT(void) const { return 4; }
+	virtual int partID_CMOD_MENUGLYPH(void) const { return 5; }
+	virtual int partID_CMOD_OVERFLOWGLYPH(void) const { return 6; }
+
+	virtual int stateID_CMODS_NORMAL(void) const { return 1; }
+	virtual int stateID_CMODS_HOT(void) const { return 2; }
+	virtual int stateID_CMODS_PRESSED(void) const { return 3; }
+	virtual int stateID_CMODS_KEYFOCUSED(void) const { return 4; }
+	virtual int stateID_CMODS_NEARHOT(void) const { return 5; }
+
+	virtual HRESULT backgroundGradientColors(HTHEME theme, COLORREF *colors) const
+	{
+		if (colors == NULL)
+			return E_POINTER;
+#define argb(a, r, g, b) ((((COLORREF) ((BYTE) (a))) << 24) | RGB(r, g, b))
+		colors[0] = argb(255, 4, 80, 130);
+		colors[1] = argb(255, 17, 101, 132);
+		colors[2] = argb(255, 29, 121, 134);
+		return S_OK;
+	}
+
+	virtual HRESULT buttonTextColor(HTHEME theme, UINT uItemState, COLORREF *color) const
+	{
+		if (color == NULL)
+			return E_POINTER;
+		*color = GetSysColor(COLOR_WINDOW);
+		if ((uItemState & CDIS_DISABLED) != 0)
+			*color = argb(255, 161, 204, 210);
+#undef argb
+		return S_OK;
+	}
+
+	virtual BOOL buttonTextShadowed(UINT uItemState) const
+	{
+		return (uItemState & CDIS_DISABLED) == 0;
+	}
+
+	virtual int folderBarMarginsLeftDIP(void) const { return 3; }
+	virtual int folderBarMarginsTopDIP(void) const { return 2; }
+	virtual int folderBarMarginsRightDIP(void) const { return 3; }
+	virtual int folderBarMarginsBottomDIP(void) const { return 3; }
+
+	virtual int buttonMarginsXDIP(void) const { return 6; }
+	virtual int buttonMarginsYDIP(void) const { return 5; }
+	virtual int buttonTextArrowSeparationXDIP(void) const { return 3; }
+};
+
+class commandModuleStyleParams7 : public commandModuleStyleParams {
+	virtual int partID_CMOD_MODULEBACKGROUND(void) const { return 1; }
+	virtual int partID_CMOD_TASKBUTTON(void) const { return 3; }
+	virtual int partID_CMOD_SPLITBUTTONLEFT(void) const { return 4; }
+	virtual int partID_CMOD_SPLITBUTTONRIGHT(void) const { return 5; }
+	virtual int partID_CMOD_MENUGLYPH(void) const { return 6; }
+	virtual int partID_CMOD_OVERFLOWGLYPH(void) const { return 7; }
+
+	virtual int stateID_CMODS_NORMAL(void) const { return 1; }
+	virtual int stateID_CMODS_HOT(void) const { return 2; }
+	virtual int stateID_CMODS_PRESSED(void) const { return 3; }
+	virtual int stateID_CMODS_KEYFOCUSED(void) const { return 4; }
+	/*TODO verify this*/virtual int stateID_CMODS_NEARHOT(void) const { return 5; }
+
+	virtual HRESULT backgroundGradientColors(HTHEME theme, COLORREF *colors) const
+	{
+		HRESULT hr;
+
+		if (colors == NULL)
+			return E_POINTER;
+		hr = GetThemeColor(theme,
+			2, 0,
+			TMT_GRADIENTCOLOR1, colors + 0);
+		if (hr != S_OK)
+			return hr;
+		hr = GetThemeColor(theme,
+			2, 0,
+			TMT_GRADIENTCOLOR2, colors + 1);
+		if (hr != S_OK)
+			return hr;
+		return GetThemeColor(theme,
+			2, 0,
+			TMT_GRADIENTCOLOR3, colors + 2);
+	}
+
+	virtual HRESULT buttonTextColor(HTHEME theme, UINT uItemState, COLORREF *color) const
+	{
+		int state;
+
+		if (color == NULL)
+			return E_POINTER;
+		state = 1;
+		if ((uItemState & CDIS_DISABLED) != 0)
+			state = 6;
+		// TODO check if 3 is the correct part ID for all button types
+		return GetThemeColor(theme,
+			3, state,
+			TMT_TEXTCOLOR, color);
+	}
+
+	virtual BOOL buttonTextShadowed(UINT uItemState) const
+	{
+		return FALSE;
+	}
+
+	virtual int folderBarMarginsLeftDIP(void) const { return 3; }
+	virtual int folderBarMarginsTopDIP(void) const { return 2; }
+	virtual int folderBarMarginsRightDIP(void) const { return 9; }
+	virtual int folderBarMarginsBottomDIP(void) const { return 3; }
+
+	virtual int buttonMarginsXDIP(void) const { return 13; }
+	virtual int buttonMarginsYDIP(void) const { return 5; }
+	virtual int buttonTextArrowSeparationXDIP(void) const { return 1; }
+};
+
+// all coordinates are in client space
+struct buttonMetrics {
+	SIZE fittingSize;
+	int baseX;
+	int baseY;
+	int dpiX;
+	int dpiY;
+	BOOL hasText;
+	SIZE textSize;
+	BOOL hasArrow;
+	SIZE arrowSize;
+};
+
+struct buttonRects {
+	RECT clientRect;
+	RECT textRect;
+	RECT arrowRect;
+};
+
+class commandModuleStyle {
+public:
+	virtual HRESULT drawFolderBar(commandModuleStyleParams *p, HDC dc, RECT *rcWindow, RECT *rcPaint) const = 0;
+	virtual HRESULT buttonMetrics(commandModuleStyleParams *p, HWND button, HDC dc, struct buttonMetrics *m) const = 0;
+	virtual HRESULT buttonRects(commandModuleStyleParams *p, HWND button, struct buttonMetrics *m, struct buttonRects *r) const = 0;
+	virtual HRESULT drawButton(commandModuleStyleParams *p, HWND button, HDC dc, UINT uItemState, RECT *rcPaint) const = 0;
+};
+
+class commandModuleStyleThemed : public commandModuleStyle {
+	HTHEME theme;
+	HTHEME textstyleTheme;
+public:
+	commandModuleStyleThemed(HTHEME theme, HTHEME textstyleTheme)
+	{
+		this->theme = theme;
+		this->textstyleTheme = textstyleTheme;
+	}
+
+	virtual HRESULT drawFolderBar(commandModuleStyleParams *p, HDC dc, RECT *rcWindow, RECT *rcPaint) const
+	{
+		COLORREF colors[3];
+		TRIVERTEX vertices[4];
+		static GRADIENT_RECT gr[2] = {
+			{ 0, 1 },
+			{ 2, 3 },
+		};
+		HRESULT hr;
+
+		hr = p->backgroundGradientColors(this->theme, colors);
+		if (hr != S_OK)
+			return hr;
+
+		vertices[0].x = rcWindow->left;
+		vertices[0].y = rcWindow->top;
+		vertices[0].Red = ((COLOR16) GetRValue(colors[0])) << 8;
+		vertices[0].Green = ((COLOR16) GetGValue(colors[0])) << 8;
+		vertices[0].Blue = ((COLOR16) GetBValue(colors[0])) << 8;
+		vertices[0].Alpha = ((COLOR16) LOBYTE(colors[0] >> 24)) << 8;
+
+		vertices[1].x = (rcWindow->right - rcWindow->left) / 2;
+		vertices[1].y = rcWindow->bottom;
+		vertices[1].Red = ((COLOR16) GetRValue(colors[1])) << 8;
+		vertices[1].Green = ((COLOR16) GetGValue(colors[1])) << 8;
+		vertices[1].Blue = ((COLOR16) GetBValue(colors[1])) << 8;
+		vertices[1].Alpha = ((COLOR16) LOBYTE(colors[1] >> 24)) << 8;
+
+		vertices[2] = vertices[1];
+		vertices[2].y = rcWindow->top;
+
+		vertices[3].x = rcWindow->right;
+		vertices[3].y = rcWindow->bottom;
+		vertices[3].Red = ((COLOR16) GetRValue(colors[2])) << 8;
+		vertices[3].Green = ((COLOR16) GetGValue(colors[2])) << 8;
+		vertices[3].Blue = ((COLOR16) GetBValue(colors[2])) << 8;
+		vertices[3].Alpha = ((COLOR16) LOBYTE(colors[2] >> 24)) << 8;
+
+		if (GradientFill(dc, vertices, 4, (PVOID) gr, 2, GRADIENT_FILL_RECT_H) == FALSE)
+			return lastErrorToHRESULT(GetLastError());
+		return DrawThemeBackground(this->theme, dc,
+			p->partID_CMOD_MODULEBACKGROUND(), 0,
+			rcWindow, rcPaint);
+	}
+
+#define hasNonsplitArrow(button) ((button) == leftButtons[0] || (button) == leftButtons[1] || (button) == leftButtons[2])
+
+#define dlgUnitsToX(dlg, baseX) MulDiv((dlg), (baseX), 4)
+#define dlgUnitsToY(dlg, baseY) MulDiv((dlg), (baseY), 8)
+// TODO verify the parameter order
+#define dipsToX(dip, dpiX) MulDiv((dip), (dpiX), 96)
+#define dipsToY(dip, dpiY) MulDiv((dip), (dpiY), 96)
+
+	// TODO for win7: the sizes are correct (according to UI Automation) but they don't visually match?
+	virtual HRESULT buttonMetrics(commandModuleStyleParams *p, HWND button, HDC dc, struct buttonMetrics *m) const
+	{
+		BOOL releaseDC;
+		TEXTMETRICW tm;
+		RECT r;
+		int minStdButtonHeight;
+		HRESULT hr;
+
+		if (m == NULL)
+			return E_POINTER;
+
+		releaseDC = FALSE;
+		if (dc == NULL) {
+			dc = GetDC(button);
+			if (dc == NULL)
+				return lastErrorToHRESULT(GetLastError());
+			releaseDC = TRUE;
+		}
+
+		ZeroMemory(&tm, sizeof (TEXTMETRICW));
+		hr = GetThemeTextMetrics(this->textstyleTheme, dc,
+			TEXT_BODYTEXT, 0,
+			&tm);
+		if (hr != S_OK)
+			goto fail;
+		hr = GetThemeTextExtent(this->textstyleTheme, dc,
+			TEXT_BODYTEXT, 0,
+			L"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz", 52, 0,
+			NULL, &r);
+		if (hr != S_OK)
+			goto fail;
+		m->baseX = (int) (((r.right - r.left) / 26 + 1) / 2);
+		m->baseY = (int) tm.tmHeight;
+		m->dpiX = GetDeviceCaps(dc, LOGPIXELSX);
+		m->dpiY = GetDeviceCaps(dc, LOGPIXELSY);
+
+		m->fittingSize.cx = 0;
+		m->fittingSize.cy = 0;
+
+		m->hasText = TRUE;
+		if (m->hasText) {
+			LRESULT n;
+			WCHAR *buf;
+			LOGFONTW lf;
+
+			n = SendMessageW(button, WM_GETTEXTLENGTH, 0, 0);
+			buf = new WCHAR[n + 1];
+			GetWindowTextW(button, buf, n + 1);
+			hr = GetThemeTextExtent(this->textstyleTheme, dc,
+				TEXT_BODYTEXT, 0,
+				buf, n, DT_CENTER,
+				NULL, &r);
+			delete[] buf;
+			if (hr != S_OK)
+				goto fail;
+			m->textSize.cx = r.right - r.left;
+			m->textSize.cy = r.bottom - r.top;
+			m->fittingSize.cx += m->textSize.cx;
+			m->fittingSize.cy += m->textSize.cy;
+
+			// dui70.dll adds this to the width when "overhang" is enabled, and it seems to be enabled for our cases, but I can't tell what conditions it's enabled for...
+			// and yes, it seems to be using the raw lfHeight value here :/
+			// TODO find the right TMT constant
+			hr = GetThemeFont(this->textstyleTheme, dc,
+				4, 0,
+				TMT_FONT, &lf);
+			if (hr != S_OK)
+				goto fail;
+			m->fittingSize.cx += 2 * (abs(lf.lfHeight) / 6);
+		}
+
+		m->hasArrow = hasNonsplitArrow(button);
+		if (m->hasArrow) {
+			// TS_MIN returns 1x1 and TS_DRAW returns 0x0, so...
+			hr = GetThemePartSize(theme, dc,
+				p->partID_CMOD_MENUGLYPH(), 0,
+				NULL, TS_TRUE, &(m->arrowSize));
+			if (hr != S_OK)
+				goto fail;
+			m->fittingSize.cx += m->arrowSize.cx;
+			// TODO I don't think dui70.dll takes this into consideration...
+			if (m->fittingSize.cy < m->arrowSize.cy)
+				m->fittingSize.cy = m->arrowSize.cy;
+			m->fittingSize.cx += dipsToX(p->buttonTextArrowSeparationXDIP(), m->dpiX);
+		}
+
+		m->fittingSize.cx += dipsToX(p->buttonMarginsXDIP(), m->dpiX) * 2;
+		m->fittingSize.cy += dipsToY(p->buttonMarginsYDIP(), m->dpiY) * 2;
+
+		// and dui70.dll seems to do a variant of this but for text buttons only...
+		minStdButtonHeight = dlgUnitsToY(14, m->baseY);
+		if (m->fittingSize.cy < minStdButtonHeight)
+			m->fittingSize.cy = minStdButtonHeight;
+
+		hr = S_OK;
+	fail:
+		if (releaseDC)
+			// TODO when migrating this to libui, this will need to be renamed to indicate we are intentionally ignoring errors
+			ReleaseDC(button, dc);
+		return hr;
+	};
+
+	// TODO check errors
+	virtual HRESULT buttonRects(commandModuleStyleParams *p, HWND button, struct buttonMetrics *m, struct buttonRects *r) const
+	{
+		if (r == NULL)
+			return E_POINTER;
+
+		GetClientRect(button, &(r->clientRect));
+
+		if (m->hasText)
+			r->textRect = r->clientRect;
+
+		if (m->hasArrow) {
+			r->arrowRect = r->clientRect;
+			r->arrowRect.left = r->arrowRect.right;
+			r->arrowRect.left -= dipsToX(p->buttonMarginsXDIP(), m->dpiX);
+			r->arrowRect.right = r->arrowRect.left;
+			r->arrowRect.left -= m->arrowSize.cx;
+			r->arrowRect.top += ((r->arrowRect.bottom - r->arrowRect.top) - m->arrowSize.cy) / 2;
+			r->arrowRect.bottom = r->arrowRect.top + m->arrowSize.cy;
+
+			if (m->hasText) {
+				r->textRect.right = r->arrowRect.left - dipsToX(p->buttonTextArrowSeparationXDIP(), m->dpiX);
+				r->textRect.right += dipsToX(p->buttonMarginsXDIP(), m->dpiX);
+			}
+		}
+
+		return S_OK;
+	}
+
+	// TODO check errors fully
+	virtual HRESULT drawButton(commandModuleStyleParams *p, HWND button, HDC dc, UINT uItemState, RECT *rcPaint) const
+	{
+		struct buttonMetrics m;
+		struct buttonRects r;
+		int part, state;
+		HRESULT hr;
+
+		hr = this->buttonMetrics(p, button, dc, &m);
+		if (hr != S_OK)
+			return hr;
+		hr = this->buttonRects(p, button, &m, &r);
+		if (hr != S_OK)
+			return hr;
+
+		part = p->partID_CMOD_TASKBUTTON();
+		state = p->stateID_CMODS_NORMAL();
+		if ((uItemState & CDIS_FOCUS) != 0)
+			state = p->stateID_CMODS_KEYFOCUSED();
+		if ((uItemState & CDIS_HOT) != 0)
+			state = p->stateID_CMODS_HOT();
+		if ((uItemState & CDIS_SELECTED) != 0)
+			state = p->stateID_CMODS_PRESSED();
+		hr = DrawThemeParentBackground(button, dc, rcPaint);
+		if (hr != S_OK)
+			return hr;
+		hr = DrawThemeBackground(this->theme, dc,
+			part, state,
+			&(r.clientRect), rcPaint);
+		if (hr != S_OK)
+			return hr;
+
+		if (m.hasText) {
+			int textState;
+			COLORREF textColor;
+			LRESULT n;
+			WCHAR *buf;
+			DTTOPTS dttopts;
+
+			hr = p->buttonTextColor(this->theme, uItemState, &textColor);
+			if (hr != S_OK)
+				return hr;
+			n = SendMessageW(button, WM_GETTEXTLENGTH, 0, 0);
+			buf = new WCHAR[n + 1];
+			GetWindowTextW(button, buf, n + 1);
+			ZeroMemory(&dttopts, sizeof (DTTOPTS));
+			dttopts.dwSize = sizeof (DTTOPTS);
+			dttopts.dwFlags = DTT_TEXTCOLOR;
+			dttopts.crText = textColor;
+			hr = DrawThemeTextEx(this->textstyleTheme, dc,
+				TEXT_BODYTEXT, 0,
+				buf, n, DT_CENTER | DT_VCENTER | DT_SINGLELINE,
+				&(r.textRect), &dttopts);
+			delete[] buf;
+			if (hr != S_OK)
+				return hr;
+		}
+
+		if (m.hasArrow) {
+			// TODO verify the state ID on all platforms
+			hr = DrawThemeBackground(this->theme, dc,
+				p->partID_CMOD_MENUGLYPH(), 0,
+				&(r.arrowRect), rcPaint);
+			if (hr != S_OK)
+				return hr;
+		}
+
+		return S_OK;
+	}
+};
+
+#if 0
+// TODO check errors
+void drawExplorerChevron(HTHEME theme, HDC dc, HWND rebar, WPARAM band, RECT *rcPaint)
+{
+	REBARBANDINFOW rbi;
+	RECT r;
+	int state;
+
+	ZeroMemory(&rbi, sizeof (REBARBANDINFOW));
+	rbi.cbSize = sizeof (REBARBANDINFOW);
+	rbi.fMask = RBBIM_CHILD | RBBIM_CHEVRONLOCATION | RBBIM_CHEVRONSTATE;
+	SendMessageW(rebar, RB_GETBANDINFOW, band, (LPARAM) (&rbi));
+	if ((rbi.uChevronState & STATE_SYSTEM_INVISIBLE) != 0)
+		return;
+	state = 1;
+	// TODO check if this is correct
+	if ((rbi.uChevronState & STATE_SYSTEM_FOCUSED) != 0)
+		state = 4;
+	if ((rbi.uChevronState & STATE_SYSTEM_HOTTRACKED) != 0)
+		state = 2;
+	if ((rbi.uChevronState & STATE_SYSTEM_PRESSED) != 0)
+		state = 3;
+	r = rbi.rcChevronLocation;
+	// TODO commctrl.h says this should be correct for the chevron rect, but it's not?
+//	MapWindowRect(rbi.hwndChild, rebar, &r);
+	DrawThemeBackground(theme, dc,
+		3, state,
+		&r, rcPaint);
+	DrawThemeBackground(theme, dc,
+		7, 1,
+		&r, rcPaint);
+}
+#endif
+
+HICON shieldIcon;
+HICON applicationIcon;
+HICON helpIcon;
+HIMAGELIST rightList;
+
+HTHEME theme = NULL;
+HTHEME textstyleTheme = NULL;
+const char *which = "7";
+commandModuleStyle *cms = NULL;
+commandModuleStyleParams *cmsp = NULL;
+HIMAGELIST dropdownArrowList = NULL;
+
+static struct {
+	const WCHAR *text;
+	BOOL dropdown;
+} leftbarButtons[] = {
+	{ L"Organize", TRUE },
+	{ L"Include in library", TRUE },
+	{ L"Share with", TRUE },
+	{ L"Burn", FALSE },
+	{ L"New folder", FALSE },
+};
+
+// TODO check errors
+LRESULT drawExplorerButton(NMCUSTOMDRAW *nm)
+{
+	HRESULT hr;
+
+	if (nm->dwDrawStage != CDDS_PREPAINT)
+		return CDRF_DODEFAULT;
+	hr = cms->drawButton(cmsp, nm->hdr.hwndFrom,
+		nm->hdc, nm->uItemState, &(nm->rc));
+	if (hr != S_OK)
+		return CDRF_DODEFAULT;
+	return CDRF_SKIPDEFAULT;
+}
+
+void onWM_CREATE(HWND hwnd)
+{
+	int buttonx, buttony;
+	int i;
+
+	buttonx = 5;
+	buttony = 5;
+	for (i = 0; i < 5; i++) {
+		// TODO split buttons don't support arrow navigation?
+		leftButtons[i] = CreateWindowExW(0,
+			L"BUTTON", leftbarButtons[i].text,
+			WS_CHILD | WS_VISIBLE | WS_TABSTOP | BS_PUSHBUTTON,
+			buttonx, buttony,
+			150, 30,
+			hwnd, (HMENU) (100 + i), hInstance, NULL);
+		if (leftButtons[i] == NULL)
+			diele("CreateWindowExW(L\"BUTTON\")");
+		buttonx += 150;
+	}
+}
+
+// TODO check errors
+void updateTheme(HWND hwnd)
+{
+	if (cmsp != NULL) {
+		delete cmsp;
+		cmsp = NULL;
+	}
+	if (cms != NULL) {
+		delete cms;
+		cms = NULL;
+	}
+	if (textstyleTheme != NULL) {
+		CloseThemeData(textstyleTheme);
+		textstyleTheme = NULL;
+	}
+	if (theme != NULL) {
+		CloseThemeData(theme);
+		theme = NULL;
+	}
+
+	theme = OpenThemeData(hwnd, L"CommandModule");
+	textstyleTheme = OpenThemeData(hwnd, L"TEXTSTYLE");
+	cms = new commandModuleStyleThemed(theme, textstyleTheme);
+	if (strcmp(which, "vista") == 0)
+		cmsp = new commandModuleStyleParamsVista;
+	else
+		cmsp = new commandModuleStyleParams7;
+}
+
+void repositionButtons(HWND hwnd)
+{
+	HDWP dwp;
+	int buttonx, buttony;
+	HDC dc;
+	int dpiX;
+	int dpiY;
+	struct buttonMetrics m;
+	int i;
+
+	dc = GetDC(hwnd);
+	if (dc == NULL)
+		diele("GetDC()");
+	dpiX = GetDeviceCaps(dc, LOGPIXELSX);
+	dpiY = GetDeviceCaps(dc, LOGPIXELSY);
+	// TODO check error
+	ReleaseDC(hwnd, dc);
+
+	dwp = BeginDeferWindowPos(5);
+	if (dwp == NULL)
+		diele("BeginDeferWindowPos()");
+	buttonx = dipsToX(cmsp->folderBarMarginsLeftDIP(), dpiX);
+	buttony = dipsToY(cmsp->folderBarMarginsTopDIP(), dpiY);
+	for (i = 0; i < 5; i++) {
+		cms->buttonMetrics(cmsp, leftButtons[i], NULL, &m);
+		dwp = DeferWindowPos(dwp, leftButtons[i], NULL,
+			buttonx, buttony, m.fittingSize.cx, m.fittingSize.cy,
+			SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOZORDER);
+		if (dwp == NULL)
+			diele("DeferWindowPos()");
+		buttonx += m.fittingSize.cx;
+	}
+	if (EndDeferWindowPos(dwp) == 0)
+		diele("EndDeferWindowPos()");
+}
+
+// TODO check errors
+void folderBarRect(HWND hwnd, HDC dc, RECT *r)
+{
+	int dpiX;
+	int dpiY;
+	RECT child;
+	int i;
+
+	dpiX = GetDeviceCaps(dc, LOGPIXELSX);
+	dpiY = GetDeviceCaps(dc, LOGPIXELSY);
+
+	GetClientRect(hwnd, r);
+	r->right -= r->left;
+	r->left = 0;
+	r->top = 0;
+	r->bottom = 0;
+
+	for (i = 0; i < 5; i++) {
+		GetWindowRect(leftButtons[i], &child);
+		if (r->bottom < (child.bottom - child.top))
+			r->bottom = (child.bottom - child.top);
+	}
+
+	r->bottom += dipsToY(cmsp->folderBarMarginsTopDIP(), dpiY);
+	r->bottom += dipsToY(cmsp->folderBarMarginsBottomDIP(), dpiY);
+}
+
+#if 0
+// TODO check errors
+void handleEvents(HWND hwnd, WPARAM wParam)
+{
+	LRESULT n;
+	const WCHAR *selRebar = NULL, *selToolbar = NULL;
+	WCHAR *bufRebar = NULL, *bufToolbar = NULL;
+	BOOL changeRebar = FALSE, changeToolbar = FALSE;
+	BOOL invalidate = FALSE;
+	WPARAM check;
+
+	switch (wParam) {
+	case MAKEWPARAM(300, CBN_SELCHANGE):
+		n = SendMessageW(rebarCombo, CB_GETCURSEL, 0, 0);
+		selRebar = rebarThemes[n];
+		changeRebar = TRUE;
+		break;
+	case MAKEWPARAM(301, CBN_SELCHANGE):
+		n = SendMessageW(toolbarCombo, CB_GETCURSEL, 0, 0);
+		selToolbar = toolbarThemes[n];
+		changeToolbar = TRUE;
+		break;
+	case MAKEWPARAM(200, BN_CLICKED):
+		drawmode = 0;
+		n = SendMessageW(rebarCombo, WM_GETTEXTLENGTH, 0, 0);
+		bufRebar = new WCHAR[n + 1];
+		GetWindowTextW(rebarCombo, bufRebar, n + 1);
+		n = SendMessageW(toolbarCombo, WM_GETTEXTLENGTH, 0, 0);
+		bufToolbar = new WCHAR[n + 1];
+		GetWindowTextW(toolbarCombo, bufToolbar, n + 1);
+		selRebar = bufRebar;
+		selToolbar = bufToolbar;
+		changeRebar = TRUE;
+		changeToolbar = TRUE;
+		break;
+	case MAKEWPARAM(201, BN_CLICKED):
+		drawmode = 1;
+		invalidate = TRUE;
+		break;
+	case MAKEWPARAM(302, BN_CLICKED):
+		ShowWindow(leftbar, SW_HIDE);
+		check = BST_CHECKED;
+		if (SendMessage(toolbarTransparentCheckbox, BM_GETCHECK, 0, 0) == BST_CHECKED)
+			check = BST_UNCHECKED;
+		SendMessage(toolbarTransparentCheckbox, BM_SETCHECK, check, 0);
+		if (check == BST_CHECKED)
+			SendMessageW(leftbar, TB_SETSTYLE, 0, toolbarStyles | TBSTYLE_LIST | TBSTYLE_TRANSPARENT);
+		else
+			SendMessageW(leftbar, TB_SETSTYLE, 0, toolbarStyles | TBSTYLE_LIST);
+		ShowWindow(leftbar, SW_SHOW);
+		break;
+	case MAKEWPARAM(202, BN_CLICKED):
+		SetFocus(leftbar);
+		break;
+	}
+	if (changeRebar) {
+		if (selRebar != NULL && wcscmp(selRebar, L"NULL") == 0)
+			selRebar = NULL;
+		if (selRebar != NULL && *selRebar != L'\0')
+			SendMessageW(rebar, RB_SETWINDOWTHEME, 0, (LPARAM) selRebar);
+		else
+			SetWindowTheme(rebar, selRebar, selRebar);
+		invalidate = TRUE;
+	}
+	if (changeToolbar) {
+		if (selToolbar != NULL && wcscmp(selToolbar, L"NULL") == 0)
+			selToolbar = NULL;
+		if (selToolbar != NULL && *selToolbar != L'\0') {
+			SendMessageW(leftbar, TB_SETWINDOWTHEME, 0, (LPARAM) selToolbar);
+			SendMessageW(rightbar, TB_SETWINDOWTHEME, 0, (LPARAM) selToolbar);
+		} else {
+			SetWindowTheme(leftbar, selToolbar, selToolbar);
+			SetWindowTheme(rightbar, selToolbar, selToolbar);
+		}
+		invalidate = TRUE;
+	}
+	if (invalidate)
+		InvalidateRect(hwnd, NULL, TRUE);
+	if (bufRebar != NULL)
+		delete[] bufRebar;
+	if (bufToolbar != NULL)
+		delete[] bufToolbar;
+}
+#endif
+
+LRESULT CALLBACK wndproc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
+{
+	HDC dc;
+	PAINTSTRUCT ps;
+	NMHDR *nm = (NMHDR *) lParam;
+	int i;
+
+	switch (uMsg) {
+	case WM_CREATE:
+		onWM_CREATE(hwnd);
+		updateTheme(hwnd);
+		repositionButtons(hwnd);
+		break;
+	case WM_CLOSE:
+		PostQuitMessage(0);
+		break;
+	case WM_SIZE:
+		repositionButtons(hwnd);
+		// TODO check errors
+		InvalidateRect(hwnd, NULL, TRUE);
+		break;
+	case WM_THEMECHANGED:
+		updateTheme(hwnd);
+		repositionButtons(hwnd);
+		break;
+	case WM_PAINT:
+		// TODO check errors
+		dc = BeginPaint(hwnd, &ps);
+		{RECT w;
+		folderBarRect(hwnd, dc, &w);
+		cms->drawFolderBar(cmsp, dc, &w, &(ps.rcPaint));}
+		EndPaint(hwnd, &ps);
+		return 0;
+	case WM_PRINTCLIENT:
+		{RECT w, paint;
+		folderBarRect(hwnd, (HDC) wParam, &w);
+		GetClientRect(hwnd,&paint);
+		cms->drawFolderBar(cmsp, (HDC) wParam, &w, &w);}
+		return 0;
+#if 0
+	case WM_COMMAND:
+		handleEvents(hwnd, wParam);
+		break;
+#endif
+	case WM_NOTIFY:
+		switch (nm->code) {
+		case NM_CUSTOMDRAW:
+			for (i = 0; i < 5; i++)
+				if (nm->hwndFrom == leftButtons[i])
+					return drawExplorerButton((NMCUSTOMDRAW *) nm);
+			break;
+		}
+		break;
+	}
+	return DefWindowProcW(hwnd, uMsg, wParam, lParam);
+}
+
+EXTERN_C IMAGE_DOS_HEADER __ImageBase;
+
+int main(int argc, char *argv[])
+{
+	STARTUPINFOW si;
+	int nCmdShow;
+	INITCOMMONCONTROLSEX icc;
+	HICON hDefaultIcon;
+	HCURSOR hDefaultCursor;
+	WNDCLASSW wc;
+	HWND mainwin;
+	MSG msg;
+	HRESULT hr;
+
+	if (argc > 1)
+		which = argv[1];
+
+	hInstance = (HINSTANCE) (&__ImageBase);
+	nCmdShow = SW_SHOWDEFAULT;
+	GetStartupInfoW(&si);
+	if ((si.dwFlags & STARTF_USESHOWWINDOW) != 0)
+		nCmdShow = si.wShowWindow;
+
+	ZeroMemory(&icc, sizeof (INITCOMMONCONTROLSEX));
+	icc.dwSize = sizeof (INITCOMMONCONTROLSEX);
+	icc.dwICC = ICC_STANDARD_CLASSES | ICC_BAR_CLASSES | ICC_COOL_CLASSES;
+	if (InitCommonControlsEx(&icc) == 0)
+		diele("InitCommonControlsEx()");
+
+	hDefaultIcon = LoadIconW(NULL, IDI_APPLICATION);
+	if (hDefaultIcon == NULL)
+		diele("LoadIconW(IDI_APPLICATION)");
+	hDefaultCursor = LoadCursorW(NULL, IDC_ARROW);
+	if (hDefaultCursor == NULL)
+		diele("LoadCursorW(IDC_ARROW)");
+
+	hr = LoadIconMetric(NULL, IDI_SHIELD, LIM_SMALL, &shieldIcon);
+	if (hr != S_OK)
+		diehr("LoadIconMetric(IDI_SHIELD)", hr);
+	hr = LoadIconMetric(NULL, IDI_APPLICATION, LIM_SMALL, &applicationIcon);
+	if (hr != S_OK)
+		diehr("LoadIconMetric(IDI_APPLICATION)", hr);
+	hr = LoadIconMetric(NULL, IDI_QUESTION, LIM_SMALL, &helpIcon);
+	if (hr != S_OK)
+		diehr("LoadIconMetric(IDI_QUESTION)", hr);
+	rightList = ImageList_Create(GetSystemMetrics(SM_CXSMICON), GetSystemMetrics(SM_CYSMICON),
+		ILC_COLOR32, 0, 3);
+	if (rightList == NULL)
+		diele("ImageList_Create()");
+	if (ImageList_ReplaceIcon(rightList, -1, shieldIcon) == -1)
+		diele("ImageList_ReplaceIcon(IDI_SHIELD)");
+	if (ImageList_ReplaceIcon(rightList, -1, applicationIcon) == -1)
+		diele("ImageList_ReplaceIcon(IDI_APPLICATION)");
+	if (ImageList_ReplaceIcon(rightList, -1, helpIcon) == -1)
+		diele("ImageList_ReplaceIcon(IDI_QUESTION)");
+
+	ZeroMemory(&wc, sizeof (WNDCLASSW));
+	wc.lpszClassName = L"mainwin";
+	wc.lpfnWndProc = wndproc;
+	wc.hInstance = hInstance;
+	wc.hIcon = hDefaultIcon;
+	wc.hCursor = hDefaultCursor;
+	wc.hbrBackground = (HBRUSH) (COLOR_BTNFACE + 1);
+	if (RegisterClassW(&wc) == 0)
+		diele("RegisterClassW()");
+
+	mainwin = CreateWindowExW(0,
+		L"mainwin", L"Main Window",
+		WS_OVERLAPPEDWINDOW,
+		CW_USEDEFAULT, CW_USEDEFAULT,
+		CW_USEDEFAULT, CW_USEDEFAULT,
+		NULL, NULL, hInstance, NULL);
+	if (mainwin == NULL)
+		diele("CreateWindowExW(L\"mainwin\")");
+
+	ShowWindow(mainwin, nCmdShow);
+	if (UpdateWindow(mainwin) == 0)
+		diele("UpdateWindow()");
+
+	for (;;) {
+		int res;
+
+		res = GetMessageW(&msg, NULL, 0, 0);
+		if (res < 0)
+			diele("GetMessageW()");
+		if (res == 0)
+			break;
+		if (IsDialogMessageW(mainwin, &msg) == 0) {
+			TranslateMessage(&msg);
+			DispatchMessageW(&msg);
+		}
+	}
+	return 0;
+}

libui-ng/old/_doc/misctests/winrebarexplorertheme.cpp

@@ -0,0 +1,676 @@
+// 9 october 2018
+#define UNICODE
+#define _UNICODE
+#define STRICT
+#define STRICT_TYPED_ITEMIDS
+#define WINVER			0x0600	/* from Microsoft's winnls.h */
+#define _WIN32_WINNT		0x0600
+#define _WIN32_WINDOWS	0x0600	/* from Microsoft's pdh.h */
+#define _WIN32_IE			0x0700
+#define NTDDI_VERSION		0x06000000
+#include <windows.h>
+#include <commctrl.h>
+#include <uxtheme.h>
+#include <vsstyle.h>
+#include <vssym32.h>
+#include <windowsx.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+// cl winrebarexplorertheme.cpp -MT -link user32.lib kernel32.lib gdi32.lib comctl32.lib uxtheme.lib msimg32.lib windows.res
+
+void diele(const char *func)
+{
+	DWORD le;
+
+	le = GetLastError();
+	fprintf(stderr, "%s: %I32u\n", func, le);
+	exit(EXIT_FAILURE);
+}
+
+void diehr(const char *func, HRESULT hr)
+{
+	fprintf(stderr, "%s: 0x%08I32X\n", func, hr);
+	exit(EXIT_FAILURE);
+}
+
+HINSTANCE hInstance;
+HWND rebar;
+HWND leftbar;
+HWND rightbar;
+HWND rebarCombo;
+HWND toolbarCombo;
+HWND toolbarTransparentCheckbox;
+
+HICON shieldIcon;
+HICON applicationIcon;
+HICON helpIcon;
+HIMAGELIST rightList;
+
+#define toolbarStyles (WS_CHILD | CCS_NODIVIDER | CCS_NOPARENTALIGN | CCS_NORESIZE | TBSTYLE_FLAT)
+
+static struct {
+	const WCHAR *text;
+	BOOL dropdown;
+} leftbarButtons[] = {
+	{ L"Organize", TRUE },
+	{ L"Include in library", TRUE },
+	{ L"Share with", TRUE },
+	{ L"Burn", FALSE },
+	{ L"New folder", FALSE },
+};
+
+// TODO check errors
+// TODO extract colors from the theme
+void drawExplorerBackground(HTHEME theme, HDC dc, RECT *rcWindow, RECT *rcPaint)
+{
+	static TRIVERTEX vertices[] = {
+		{ 0, 0, 4 << 8, 80 << 8, 130 << 8, 255 << 8 },
+		{ 0, 0, 17 << 8, 101 << 8, 132 << 8, 255 << 8 },
+		{ 0, 0, 17 << 8, 101 << 8, 132 << 8, 255 << 8 },
+		{ 0, 0, 29 << 8, 121 << 8, 134 << 8, 255 << 8 },
+	};
+	static GRADIENT_RECT gr[2] = {
+		{ 0, 1 },
+		{ 2, 3 },
+	};
+
+	vertices[0].x = rcPaint->left;
+	vertices[0].y = 0;
+	vertices[1].x = rcPaint->right;
+	vertices[1].y = (rcWindow->bottom - rcWindow->top) / 2;
+	vertices[2].x = rcPaint->left;
+	vertices[2].y = (rcWindow->bottom - rcWindow->top) / 2;
+	vertices[3].x = rcPaint->right;
+	vertices[3].y = rcWindow->bottom - rcWindow->top;
+	GradientFill(dc, vertices, 4, (PVOID) gr, 2, GRADIENT_FILL_RECT_V);
+	DrawThemeBackground(theme, dc,
+		1, 0,
+		rcWindow, rcPaint);
+}
+
+// TODO check errors
+void drawExplorerChevron(HTHEME theme, HDC dc, HWND rebar, WPARAM band, RECT *rcPaint)
+{
+	REBARBANDINFOW rbi;
+	RECT r;
+	int state;
+
+	ZeroMemory(&rbi, sizeof (REBARBANDINFOW));
+	rbi.cbSize = sizeof (REBARBANDINFOW);
+	rbi.fMask = RBBIM_CHILD | RBBIM_CHEVRONLOCATION | RBBIM_CHEVRONSTATE;
+	SendMessageW(rebar, RB_GETBANDINFOW, band, (LPARAM) (&rbi));
+	if ((rbi.uChevronState & STATE_SYSTEM_INVISIBLE) != 0)
+		return;
+	state = 1;
+	// TODO check if this is correct
+	if ((rbi.uChevronState & STATE_SYSTEM_FOCUSED) != 0)
+		state = 4;
+	if ((rbi.uChevronState & STATE_SYSTEM_HOTTRACKED) != 0)
+		state = 2;
+	if ((rbi.uChevronState & STATE_SYSTEM_PRESSED) != 0)
+		state = 3;
+	r = rbi.rcChevronLocation;
+	// TODO commctrl.h says this should be correct for the chevron rect, but it's not?
+//	MapWindowRect(rbi.hwndChild, rebar, &r);
+	DrawThemeBackground(theme, dc,
+		3, state,
+		&r, rcPaint);
+	DrawThemeBackground(theme, dc,
+		7, 1,
+		&r, rcPaint);
+}
+
+// TODO check errors
+LRESULT customDrawExplorerRebar(NMCUSTOMDRAW *nm)
+{
+	HTHEME theme;
+	RECT r;
+
+	if (nm->dwDrawStage != CDDS_PREPAINT)
+		return CDRF_DODEFAULT;
+	theme = OpenThemeData(nm->hdr.hwndFrom, L"CommandModule");
+	GetClientRect(nm->hdr.hwndFrom, &r);
+	drawExplorerBackground(theme, nm->hdc, &r, &(nm->rc));
+	// TODO dwItemSpec is often invalid?!
+	drawExplorerChevron(theme, nm->hdc, nm->hdr.hwndFrom, 0, &(nm->rc));
+	CloseThemeData(theme);
+	return CDRF_SKIPDEFAULT;
+}
+
+// TODO check errors
+LRESULT customDrawExplorerToolbar(NMTBCUSTOMDRAW *nm)
+{
+	HWND toolbar, rebar;
+	WPARAM itemIndex;
+	TBBUTTON tbb;
+	HTHEME theme;
+	RECT r;
+	int part, state;
+
+	toolbar = nm->nmcd.hdr.hwndFrom;
+	switch (nm->nmcd.dwDrawStage) {
+	case CDDS_PREPAINT:
+		theme = OpenThemeData(toolbar, L"CommandModule");
+		rebar = GetParent(toolbar);
+		GetWindowRect(rebar, &r);
+		MapWindowRect(NULL, toolbar, &r);
+		drawExplorerBackground(theme, nm->nmcd.hdc, &r, &(nm->nmcd.rc));
+		CloseThemeData(theme);
+		return CDRF_NOTIFYITEMDRAW;
+	case CDDS_ITEMPREPAINT:
+		itemIndex = (WPARAM) SendMessageW(toolbar, TB_COMMANDTOINDEX, nm->nmcd.dwItemSpec, 0);
+		ZeroMemory(&tbb, sizeof (TBBUTTON));
+		SendMessageW(toolbar, TB_GETBUTTON, itemIndex, (LPARAM) (&tbb));
+		theme = OpenThemeData(toolbar, L"CommandModule");
+		part = 3;
+		if ((tbb.fsStyle & BTNS_DROPDOWN) != 0)
+			part = 4;
+		state = 1;
+		// TODO this doesn't work; both keyboard and mouse are listed as HOT
+		if ((nm->nmcd.uItemState & CDIS_FOCUS) != 0)
+			state = 4;
+		if ((nm->nmcd.uItemState & CDIS_HOT) != 0)
+			state = 2;
+		if ((nm->nmcd.uItemState & CDIS_SELECTED) != 0)
+			state = 3;
+		SendMessageW(toolbar, TB_GETITEMRECT, itemIndex, (LPARAM) (&r));
+		DrawThemeBackground(theme, nm->nmcd.hdc,
+			3, state,
+			&r, &(nm->nmcd.rc));
+		CloseThemeData(theme);
+		return TBCDRF_NOBACKGROUND;
+	}
+	return CDRF_DODEFAULT;
+}
+
+static struct {
+	const WCHAR *text;
+	LRESULT (*handleRebar)(NMCUSTOMDRAW *nm);
+	LRESULT (*handleToolbar)(NMTBCUSTOMDRAW *nm);
+} drawmodes[] = {
+	{ L"SetWindowTheme()", NULL, NULL },
+	{ L"Custom Draw Explorer", customDrawExplorerRebar, customDrawExplorerToolbar },
+	{ NULL, NULL },
+};
+
+int drawmode = 0;
+
+static const WCHAR *rebarThemes[] = {
+	L"NULL",
+	L"",
+	L"AlternateRebar",
+	L"BrowserTabBar",
+	L"Communications",
+	L"Default",
+	L"ExplorerBar",
+	L"Help",
+	L"InactiveNavbar",
+	L"InactiveNavbarComposited",
+	L"ITBarBase",
+	L"MaxInactiveNavbar",
+	L"MaxInactiveNavbarComposited",
+	L"MaxNavbar",
+	L"MaxNavbarComposited",
+	L"Media",
+	L"Navbar",
+	L"NavbarBase",
+	L"NavbarComposited",
+	L"NavbarNonTopmost",
+	L"Rebar",
+	L"RebarStyle",
+	L"TaskBar",
+	L"TaskBarComposited",
+	NULL,
+};
+
+static WCHAR *toolbarThemes[] = {
+	L"NULL",
+	L"",
+	L"Alternate",
+	L"BB",
+	L"BBComposited",
+	L"Communications",
+	L"ExplorerMenu",
+	L"Go",
+	L"GoComposited",
+	L"InactiveBB",
+	L"InactiveBBComposited",
+	L"InactiveGo",
+	L"InactiveGoComposited",
+	L"InfoPaneToolbar",
+	L"LVPopup",
+	L"LVPopupBottom",
+	L"MaxBB",
+	L"MaxBBComposited",
+	L"MaxGo",
+	L"MaxGoComposited",
+	L"MaxInactiveBB",
+	L"MaxInactiveBBComposited",
+	L"MaxInactiveGo",
+	L"MaxInactiveGoComposited",
+	L"Media",
+	L"Placesbar",
+	L"SearchButton",
+	L"SearchButtonComposited",
+	L"StartMenu",
+	L"TaskBar",
+	L"TaskBarComposited",
+	L"TaskBarVert",
+	L"TaskBarVertComposited",
+	L"Toolbar",
+	L"ToolbarStyle",
+	L"TrayNotify",
+	L"TrayNotifyComposited",
+	NULL,
+};
+
+// TODO toolbarThemes
+
+void onWM_CREATE(HWND hwnd)
+{
+	TBBUTTON tbb[5];
+	RECT btnrect;
+	DWORD tbbtnsize;
+	LONG tbsizex, tbsizey;
+	REBARBANDINFOW rbi;
+	HWND button;
+	LONG buttonx, buttony;
+	LONG combox, comboy;
+	int i;
+
+	rebar = CreateWindowExW(0,
+		REBARCLASSNAMEW, NULL,
+		WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CLIPCHILDREN | CCS_NODIVIDER | CCS_TOP | RBS_FIXEDORDER,
+		0, 0, 0, 0,
+		hwnd, (HMENU) 100, hInstance, NULL);
+	if (rebar == NULL)
+		diele("CreateWindowExW(REBARCLASSNAMEW)");
+
+	leftbar = CreateWindowExW(0,
+		TOOLBARCLASSNAMEW, NULL,
+		toolbarStyles | TBSTYLE_LIST | TBSTYLE_TRANSPARENT,
+		0, 0, 0, 0,
+		hwnd, (HMENU) 101, hInstance, NULL);
+	if (leftbar == NULL)
+		diele("CreateWindowExW(TOOLBARCLASSNAMEW) leftbar");
+	SendMessageW(leftbar, TB_BUTTONSTRUCTSIZE, sizeof (TBBUTTON), 0);
+	// I_IMAGENONE causes the button text to be left-aligned; don't use it
+//	if (SendMessageW(leftbar, TB_SETBITMAPSIZE, 0, 0) == FALSE)
+//		diele("TB_SETBITMAPSIZE");
+	SendMessageW(leftbar, TB_SETEXTENDEDSTYLE, 0, TBSTYLE_EX_DRAWDDARROWS | TBSTYLE_EX_HIDECLIPPEDBUTTONS | TBSTYLE_EX_MIXEDBUTTONS);
+	// TODO this *should* be DIPs...
+	// TODO figure out where the *2 is documented
+//	SendMessageW(leftbar, TB_SETPADDING, 0, MAKELPARAM(6 * 2, 5 * 2));
+	ZeroMemory(tbb, 5 * sizeof (TBBUTTON));
+	for (i = 0; i < 5; i++) {
+		tbb[i].iBitmap = 0;
+		tbb[i].idCommand = i;
+		tbb[i].fsState = TBSTATE_ENABLED;
+		tbb[i].fsStyle = BTNS_AUTOSIZE | BTNS_BUTTON | BTNS_NOPREFIX | BTNS_SHOWTEXT;
+		if (leftbarButtons[i].dropdown)
+			tbb[i].fsStyle |= BTNS_DROPDOWN | BTNS_WHOLEDROPDOWN;
+		tbb[i].iString = (INT_PTR) (leftbarButtons[i].text);
+	}
+	if (SendMessageW(leftbar, TB_ADDBUTTONSW, 5, (LPARAM) tbb) == FALSE)
+		diele("TB_ADDBUTTONSW");
+
+	tbsizex = 0;
+	for (i = 0; i < 5; i++) {
+		if (SendMessageW(leftbar, TB_GETITEMRECT, (WPARAM) i, (LPARAM) (&btnrect)) == FALSE)
+			diele("TB_GETITEMRECT");
+		tbsizex += btnrect.right - btnrect.left;
+	}
+	tbbtnsize = (DWORD) SendMessageW(leftbar, TB_GETBUTTONSIZE, 0, 0);
+	tbsizey = HIWORD(tbbtnsize);
+
+	ZeroMemory(&rbi, sizeof (REBARBANDINFOW));
+	rbi.cbSize = sizeof (REBARBANDINFOW);
+	rbi.fMask = RBBIM_CHILD | RBBIM_STYLE | RBBIM_SIZE | RBBIM_CHILDSIZE | RBBIM_IDEALSIZE | RBBIM_ID;
+	rbi.fStyle = RBBS_NOGRIPPER | RBBS_CHILDEDGE | RBBS_USECHEVRON | RBBS_HIDETITLE;
+	rbi.hwndChild = leftbar;
+	rbi.cx = tbsizex;
+	rbi.cyChild = tbsizey;
+	rbi.cxMinChild = 0;
+	rbi.cyMinChild = tbsizey;
+	rbi.cxIdeal = tbsizex;
+	rbi.wID = 0;
+	if (SendMessageW(rebar, RB_INSERTBANDW, (WPARAM) (-1), (LPARAM) (&rbi)) == 0)
+		diele("RB_INSERTBANDW leftbar");
+
+	rightbar = CreateWindowExW(0,
+		TOOLBARCLASSNAMEW, NULL,
+		toolbarStyles | TBSTYLE_TRANSPARENT,
+		0, 0, 0, 0,
+		hwnd, (HMENU) 102, hInstance, NULL);
+	if (rightbar == NULL)
+		diele("CreateWindowExW(TOOLBARCLASSNAMEW) rightbar");
+	SendMessageW(rightbar, TB_BUTTONSTRUCTSIZE, sizeof (TBBUTTON), 0);
+	SendMessageW(rightbar, TB_SETIMAGELIST, 0, (LPARAM) rightList);
+	SendMessageW(rightbar, TB_SETEXTENDEDSTYLE, 0, TBSTYLE_EX_DRAWDDARROWS);
+	// TODO this *should* be DIPs...
+	// TODO figure out where the *2 is documented
+//	SendMessageW(rightbar, TB_SETPADDING, 0, MAKELPARAM(6 * 2, 5 * 2));
+	ZeroMemory(tbb, 5 * sizeof (TBBUTTON));
+	tbb[0].iBitmap = 0;
+	tbb[0].idCommand = 0;
+	tbb[0].fsState = TBSTATE_ENABLED;
+	tbb[0].fsStyle = BTNS_AUTOSIZE | BTNS_BUTTON | BTNS_DROPDOWN;
+	tbb[1].iBitmap = 1;
+	tbb[1].idCommand = 1;
+	tbb[1].fsState = TBSTATE_ENABLED;
+	tbb[1].fsStyle = BTNS_AUTOSIZE | BTNS_BUTTON;
+	tbb[2].iBitmap = 2;
+	tbb[2].idCommand = 2;
+	tbb[2].fsState = TBSTATE_ENABLED;
+	tbb[2].fsStyle = BTNS_AUTOSIZE | BTNS_BUTTON;
+	if (SendMessageW(rightbar, TB_ADDBUTTONSW, 3, (LPARAM) tbb) == FALSE)
+		diele("TB_ADDBUTTONSW");
+	// TODO check error
+	// TODO figure out why this works here but not elsewhere
+//	SendMessageW(rightbar, TB_SETBUTTONSIZE, 0, 0);
+
+	tbsizex = 0;
+	for (i = 0; i < 3; i++) {
+		if (SendMessageW(rightbar, TB_GETITEMRECT, (WPARAM) i, (LPARAM) (&btnrect)) == FALSE)
+			diele("TB_GETITEMRECT");
+		tbsizex += btnrect.right - btnrect.left;
+	}
+	tbbtnsize = (DWORD) SendMessageW(rightbar, TB_GETBUTTONSIZE, 0, 0);
+	tbsizey = HIWORD(tbbtnsize);
+
+	ZeroMemory(&rbi, sizeof (REBARBANDINFOW));
+	rbi.cbSize = sizeof (REBARBANDINFOW);
+	rbi.fMask = RBBIM_CHILD | RBBIM_STYLE | RBBIM_SIZE | RBBIM_CHILDSIZE | RBBIM_ID;
+	rbi.fStyle = RBBS_NOGRIPPER | RBBS_HIDETITLE;
+	rbi.hwndChild = rightbar;
+	rbi.cx = tbsizex;
+	rbi.cyChild = tbsizey;
+	rbi.cxMinChild = tbsizex;
+	rbi.cyMinChild = tbsizey;
+	rbi.wID = 1;
+	if (SendMessageW(rebar, RB_INSERTBANDW, (WPARAM) (-1), (LPARAM) (&rbi)) == 0)
+		diele("RB_INSERTBANDW rightbar");
+
+	buttonx = 10;
+	buttony = 40;
+#define buttonwid 200
+#define buttonht 25
+	for (i = 0; drawmodes[i].text != NULL; i++) {
+		button = CreateWindowExW(0,
+			L"BUTTON", drawmodes[i].text,
+			WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON,
+			buttonx, buttony,
+			buttonwid, buttonht,
+			hwnd, (HMENU) (200 + i), hInstance, NULL);
+		if (button == NULL)
+			diele("CreateWIndowExW(L\"BUTTON\")");
+		if (i == 0) {
+			combox = buttonx + buttonwid + 5;
+			comboy = buttony;
+		}
+		buttony += buttonht + 5;
+	}
+	button = CreateWindowExW(0,
+		L"BUTTON", L"Give Toolbar Focus",
+		WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON,
+		buttonx, buttony,
+		buttonwid, buttonht,
+		hwnd, (HMENU) (200 + i), hInstance, NULL);
+	if (button == NULL)
+		diele("CreateWIndowExW(L\"BUTTON\")");
+	rebarCombo = CreateWindowExW(WS_EX_CLIENTEDGE,
+		L"COMBOBOX", L"",
+		WS_CHILD | WS_VISIBLE | CBS_DROPDOWN,
+		combox, comboy,
+		buttonwid, buttonht,
+		hwnd, (HMENU) 300, hInstance, NULL);
+	if (rebarCombo == NULL)
+		diele("CreateWindowExW(L\"COMBOBOX\")");
+	for (i = 0; rebarThemes[i] != NULL; i++)
+		// TODO check error
+		SendMessageW(rebarCombo, CB_ADDSTRING, 0, (LPARAM) (rebarThemes[i]));
+	comboy += buttonht + 5;
+	toolbarCombo = CreateWindowExW(WS_EX_CLIENTEDGE,
+		L"COMBOBOX", L"",
+		WS_CHILD | WS_VISIBLE | CBS_DROPDOWN,
+		combox, comboy,
+		buttonwid, buttonht,
+		hwnd, (HMENU) 301, hInstance, NULL);
+	if (toolbarCombo == NULL)
+		diele("CreateWindowExW(L\"COMBOBOX\")");
+	for (i = 0; toolbarThemes[i] != NULL; i++)
+		// TODO check error
+		SendMessageW(toolbarCombo, CB_ADDSTRING, 0, (LPARAM) (toolbarThemes[i]));
+	comboy += buttonht + 5;
+	toolbarTransparentCheckbox = CreateWindowExW(0,
+		L"BUTTON", L"Transparent toolbar",
+		WS_CHILD | WS_VISIBLE | BS_CHECKBOX,
+		combox, comboy,
+		buttonwid, buttonht,
+		hwnd, (HMENU) 302, hInstance, NULL);
+	if (toolbarTransparentCheckbox == NULL)
+		diele("CreateWindowExW(L\"BUTTON\")");
+	SendMessage(toolbarTransparentCheckbox, BM_SETCHECK, BST_CHECKED, 0);
+}
+
+// TODO it seems like I shouldn't have to do this?
+void repositionRebar(HWND hwnd)
+{
+	RECT win, rb;
+
+	if (GetClientRect(hwnd, &win) == 0)
+		diele("GetClientRect()");
+	if (GetWindowRect(rebar, &rb) == 0)
+		diele("GetWindowRect()");
+	if (SetWindowPos(rebar, NULL,
+		0, 0, win.right - win.left, rb.bottom - rb.top,
+		SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOOWNERZORDER | SWP_NOZORDER) == 0)
+		diele("SetWindowPos()");
+}
+
+// TODO check errors
+void handleEvents(HWND hwnd, WPARAM wParam)
+{
+	LRESULT n;
+	const WCHAR *selRebar = NULL, *selToolbar = NULL;
+	WCHAR *bufRebar = NULL, *bufToolbar = NULL;
+	BOOL changeRebar = FALSE, changeToolbar = FALSE;
+	BOOL invalidate = FALSE;
+	WPARAM check;
+
+	switch (wParam) {
+	case MAKEWPARAM(300, CBN_SELCHANGE):
+		n = SendMessageW(rebarCombo, CB_GETCURSEL, 0, 0);
+		selRebar = rebarThemes[n];
+		changeRebar = TRUE;
+		break;
+	case MAKEWPARAM(301, CBN_SELCHANGE):
+		n = SendMessageW(toolbarCombo, CB_GETCURSEL, 0, 0);
+		selToolbar = toolbarThemes[n];
+		changeToolbar = TRUE;
+		break;
+	case MAKEWPARAM(200, BN_CLICKED):
+		drawmode = 0;
+		n = SendMessageW(rebarCombo, WM_GETTEXTLENGTH, 0, 0);
+		bufRebar = new WCHAR[n + 1];
+		GetWindowTextW(rebarCombo, bufRebar, n + 1);
+		n = SendMessageW(toolbarCombo, WM_GETTEXTLENGTH, 0, 0);
+		bufToolbar = new WCHAR[n + 1];
+		GetWindowTextW(toolbarCombo, bufToolbar, n + 1);
+		selRebar = bufRebar;
+		selToolbar = bufToolbar;
+		changeRebar = TRUE;
+		changeToolbar = TRUE;
+		break;
+	case MAKEWPARAM(201, BN_CLICKED):
+		drawmode = 1;
+		invalidate = TRUE;
+		break;
+	case MAKEWPARAM(302, BN_CLICKED):
+		ShowWindow(leftbar, SW_HIDE);
+		check = BST_CHECKED;
+		if (SendMessage(toolbarTransparentCheckbox, BM_GETCHECK, 0, 0) == BST_CHECKED)
+			check = BST_UNCHECKED;
+		SendMessage(toolbarTransparentCheckbox, BM_SETCHECK, check, 0);
+		if (check == BST_CHECKED)
+			SendMessageW(leftbar, TB_SETSTYLE, 0, toolbarStyles | TBSTYLE_LIST | TBSTYLE_TRANSPARENT);
+		else
+			SendMessageW(leftbar, TB_SETSTYLE, 0, toolbarStyles | TBSTYLE_LIST);
+		ShowWindow(leftbar, SW_SHOW);
+		break;
+	case MAKEWPARAM(202, BN_CLICKED):
+		SetFocus(leftbar);
+		break;
+	}
+	if (changeRebar) {
+		if (selRebar != NULL && wcscmp(selRebar, L"NULL") == 0)
+			selRebar = NULL;
+		if (selRebar != NULL && *selRebar != L'\0')
+			SendMessageW(rebar, RB_SETWINDOWTHEME, 0, (LPARAM) selRebar);
+		else
+			SetWindowTheme(rebar, selRebar, selRebar);
+		invalidate = TRUE;
+	}
+	if (changeToolbar) {
+		if (selToolbar != NULL && wcscmp(selToolbar, L"NULL") == 0)
+			selToolbar = NULL;
+		if (selToolbar != NULL && *selToolbar != L'\0') {
+			SendMessageW(leftbar, TB_SETWINDOWTHEME, 0, (LPARAM) selToolbar);
+			SendMessageW(rightbar, TB_SETWINDOWTHEME, 0, (LPARAM) selToolbar);
+		} else {
+			SetWindowTheme(leftbar, selToolbar, selToolbar);
+			SetWindowTheme(rightbar, selToolbar, selToolbar);
+		}
+		invalidate = TRUE;
+	}
+	if (invalidate)
+		InvalidateRect(hwnd, NULL, TRUE);
+	if (bufRebar != NULL)
+		delete[] bufRebar;
+	if (bufToolbar != NULL)
+		delete[] bufToolbar;
+}
+
+LRESULT CALLBACK wndproc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
+{
+	NMHDR *nm = (NMHDR *) lParam;
+
+	switch (uMsg) {
+	case WM_CREATE:
+		onWM_CREATE(hwnd);
+		break;
+	case WM_CLOSE:
+		PostQuitMessage(0);
+		break;
+	case WM_SIZE:
+		repositionRebar(hwnd);
+		break;
+	case WM_COMMAND:
+		handleEvents(hwnd, wParam);
+		break;
+	case WM_NOTIFY:
+		switch (nm->code) {
+		case NM_CUSTOMDRAW:
+			if (drawmode == 0)
+				break;
+			if (nm->hwndFrom == rebar)
+				return (*(drawmodes[drawmode].handleRebar))((NMCUSTOMDRAW *) nm);
+			else if (nm->hwndFrom == leftbar || nm->hwndFrom == rightbar)
+				return (*(drawmodes[drawmode].handleToolbar))((NMTBCUSTOMDRAW *) nm);
+			break;
+		}
+		break;
+	}
+	return DefWindowProcW(hwnd, uMsg, wParam, lParam);
+}
+
+EXTERN_C IMAGE_DOS_HEADER __ImageBase;
+
+int main(void)
+{
+	STARTUPINFOW si;
+	int nCmdShow;
+	INITCOMMONCONTROLSEX icc;
+	HICON hDefaultIcon;
+	HCURSOR hDefaultCursor;
+	WNDCLASSW wc;
+	HWND mainwin;
+	MSG msg;
+	HRESULT hr;
+
+	hInstance = (HINSTANCE) (&__ImageBase);
+	nCmdShow = SW_SHOWDEFAULT;
+	GetStartupInfoW(&si);
+	if ((si.dwFlags & STARTF_USESHOWWINDOW) != 0)
+		nCmdShow = si.wShowWindow;
+
+	ZeroMemory(&icc, sizeof (INITCOMMONCONTROLSEX));
+	icc.dwSize = sizeof (INITCOMMONCONTROLSEX);
+	icc.dwICC = ICC_STANDARD_CLASSES | ICC_BAR_CLASSES | ICC_COOL_CLASSES;
+	if (InitCommonControlsEx(&icc) == 0)
+		diele("InitCommonControlsEx()");
+
+	hDefaultIcon = LoadIconW(NULL, IDI_APPLICATION);
+	if (hDefaultIcon == NULL)
+		diele("LoadIconW(IDI_APPLICATION)");
+	hDefaultCursor = LoadCursorW(NULL, IDC_ARROW);
+	if (hDefaultCursor == NULL)
+		diele("LoadCursorW(IDC_ARROW)");
+
+	hr = LoadIconMetric(NULL, IDI_SHIELD, LIM_SMALL, &shieldIcon);
+	if (hr != S_OK)
+		diehr("LoadIconMetric(IDI_SHIELD)", hr);
+	hr = LoadIconMetric(NULL, IDI_APPLICATION, LIM_SMALL, &applicationIcon);
+	if (hr != S_OK)
+		diehr("LoadIconMetric(IDI_APPLICATION)", hr);
+	hr = LoadIconMetric(NULL, IDI_QUESTION, LIM_SMALL, &helpIcon);
+	if (hr != S_OK)
+		diehr("LoadIconMetric(IDI_QUESTION)", hr);
+	rightList = ImageList_Create(GetSystemMetrics(SM_CXSMICON), GetSystemMetrics(SM_CYSMICON),
+		ILC_COLOR32, 0, 3);
+	if (rightList == NULL)
+		diele("ImageList_Create()");
+	if (ImageList_ReplaceIcon(rightList, -1, shieldIcon) == -1)
+		diele("ImageList_ReplaceIcon(IDI_SHIELD)");
+	if (ImageList_ReplaceIcon(rightList, -1, applicationIcon) == -1)
+		diele("ImageList_ReplaceIcon(IDI_APPLICATION)");
+	if (ImageList_ReplaceIcon(rightList, -1, helpIcon) == -1)
+		diele("ImageList_ReplaceIcon(IDI_QUESTION)");
+
+	ZeroMemory(&wc, sizeof (WNDCLASSW));
+	wc.lpszClassName = L"mainwin";
+	wc.lpfnWndProc = wndproc;
+	wc.hInstance = hInstance;
+	wc.hIcon = hDefaultIcon;
+	wc.hCursor = hDefaultCursor;
+	wc.hbrBackground = (HBRUSH) (COLOR_BTNFACE + 1);
+	if (RegisterClassW(&wc) == 0)
+		diele("RegisterClassW()");
+
+	mainwin = CreateWindowExW(0,
+		L"mainwin", L"Main Window",
+		WS_OVERLAPPEDWINDOW,
+		CW_USEDEFAULT, CW_USEDEFAULT,
+		CW_USEDEFAULT, CW_USEDEFAULT,
+		NULL, NULL, hInstance, NULL);
+	if (mainwin == NULL)
+		diele("CreateWindowExW(L\"mainwin\")");
+
+	ShowWindow(mainwin, nCmdShow);
+	if (UpdateWindow(mainwin) == 0)
+		diele("UpdateWindow()");
+
+	for (;;) {
+		int res;
+
+		res = GetMessageW(&msg, NULL, 0, 0);
+		if (res < 0)
+			diele("GetMessageW()");
+		if (res == 0)
+			break;
+		TranslateMessage(&msg);
+		DispatchMessageW(&msg);
+	}
+	return 0;
+}