summaryrefslogtreecommitdiff
path: root/wintable/main.c
blob: ac3dd9422907ef07d5148117c2ffba1905af0533 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
// 19 october 2014
#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>

// #qo LIBS: user32 kernel32 gdi32

#define tableWindowClass L"gouitable"

struct table {
	HWND hwnd;
	HFONT defaultFont;
	HFONT font;
	intptr_t selected;
};

static void drawItems(struct table *t, HDC dc)
{
	HFONT prevfont;
	TEXTMETRICW tm;
	LONG y;
	intptr_t i;
	RECT r;

	if (GetClientRect(t->hwnd, &r) == 0)
		abort();
	prevfont = (HFONT) SelectObject(dc, t->font);
	if (prevfont == NULL)
		abort();
	if (GetTextMetricsW(dc, &tm) == 0)
		abort();
	y = 0;
	for (i = 0; i < 100; i++) {
		// TODO check errors
		// TODO verify correct colors
		if (t->selected == i) {
			RECT rsel;

			SetTextColor(dc, GetSysColor(COLOR_HIGHLIGHTTEXT));
			rsel.left = r.left;
			rsel.top = y;
			rsel.right = r.right - r.left;
			rsel.bottom = y + tm.tmHeight;
			FillRect(dc, &rsel, (HBRUSH) (COLOR_HIGHLIGHT + 1));
		} else {
			RECT rsel;

			SetTextColor(dc, GetSysColor(COLOR_WINDOWTEXT));
			rsel.left = r.left;
			rsel.top = y;
			rsel.right = r.right - r.left;
			rsel.bottom = y + tm.tmHeight;
			FillRect(dc, &rsel, (HBRUSH) (COLOR_WINDOW + 1));
		}
		SetBkMode(dc, TRANSPARENT);
		TextOutW(dc, r.left, y, L"Item", 4);
		y += tm.tmHeight;
	}
	if (SelectObject(dc, prevfont) != (HGDIOBJ) (t->font))
		abort();
}

static LRESULT CALLBACK tableWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
	struct table *t;
	HDC dc;
	PAINTSTRUCT ps;

	t = (struct table *) GetWindowLongPtrW(hwnd, GWLP_USERDATA);
	if (t == NULL) {
		t = (struct table *) malloc(sizeof (struct table));
		if (t == NULL)
			abort();
		ZeroMemory(t, sizeof (struct table));
		t->hwnd = hwnd;
		// TODO this should be a global
		t->defaultFont = (HFONT) GetStockObject(SYSTEM_FONT);
		if (t->defaultFont == NULL)
			abort();
		t->font = t->defaultFont;
t->selected = 5;//TODO
		SetWindowLongPtrW(hwnd, GWLP_USERDATA, (LONG_PTR) t);
	}
	switch (uMsg) {
	case WM_PAINT:
		dc = BeginPaint(hwnd, &ps);
		if (dc == NULL)
			abort();
		drawItems(t, dc);
		EndPaint(hwnd, &ps);
		return 0;
	case WM_SETFONT:
		t->font = (HFONT) wParam;
		if (t->font == NULL)
			t->font = t->defaultFont;
		if (LOWORD(lParam) != FALSE)
			;	// TODO
		return 0;
	case WM_GETFONT:
		return (LRESULT) t->font;
	default:
		return DefWindowProcW(hwnd, uMsg, wParam, lParam);
	}
	abort();
	return 0;		// unreached
}

void makeTableWindowClass(void)
{
	WNDCLASSW wc;

	ZeroMemory(&wc, sizeof (WNDCLASSW));
	wc.lpszClassName = tableWindowClass;
	wc.lpfnWndProc = tableWndProc;
	wc.hCursor = LoadCursorW(NULL, IDC_ARROW);
	wc.hIcon = LoadIconW(NULL, IDI_APPLICATION);
	wc.hbrBackground = (HBRUSH) (COLOR_WINDOW + 1);		// TODO correct?
	wc.hInstance = GetModuleHandle(NULL);
	if (RegisterClassW(&wc) == 0)
		abort();
}

int main(void)
{
	HWND mainwin;
	MSG msg;

	makeTableWindowClass();
	mainwin = CreateWindowExW(0,
		tableWindowClass, L"Main Window",
		WS_OVERLAPPEDWINDOW | WS_HSCROLL | WS_VSCROLL,
		CW_USEDEFAULT, CW_USEDEFAULT,
		400, 400,
		NULL, NULL, GetModuleHandle(NULL), NULL);
	if (mainwin == NULL)
		abort();
	ShowWindow(mainwin, SW_SHOWDEFAULT);
	if (UpdateWindow(mainwin) == 0)
		abort();
	while (GetMessageW(&msg, NULL, 0, 0) > 0) {
		TranslateMessage(&msg);
		DispatchMessageW(&msg);
	}
	return 0;
}