mirror of
https://github.com/reactos/reactos.git
synced 2024-12-26 17:14:41 +00:00
210 lines
7.1 KiB
C
210 lines
7.1 KiB
C
/*
|
|
* ReactOS calc
|
|
*
|
|
* button.c
|
|
*
|
|
* Copyright (C) 2002 Robert Dickenson <robd@reactos.org>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*/
|
|
|
|
#define WIN32_LEAN_AND_MEAN // Exclude rarely-used stuff from Windows headers
|
|
#include <windows.h>
|
|
#include <tchar.h>
|
|
|
|
#include "button.h"
|
|
|
|
|
|
COLORREF text_colour;
|
|
COLORREF background_colour;
|
|
COLORREF disabled_background_colour;
|
|
COLORREF light;
|
|
COLORREF highlight;
|
|
COLORREF shadow;
|
|
COLORREF dark_shadow;
|
|
|
|
const COLORREF CLR_BTN_WHITE = RGB(255, 255, 255);
|
|
const COLORREF CLR_BTN_BLACK = RGB(0, 0, 0);
|
|
const COLORREF CLR_BTN_DGREY = RGB(128, 128, 128);
|
|
const COLORREF CLR_BTN_GREY = RGB(192, 192, 192);
|
|
const COLORREF CLR_BTN_LLGREY = RGB(223, 223, 223);
|
|
|
|
const int BUTTON_IN = 0x01;
|
|
const int BUTTON_OUT = 0x02;
|
|
const int BUTTON_BLACK_BORDER = 0x04;
|
|
|
|
|
|
void InitColours(void)
|
|
{
|
|
// text_colour = GetSysColor(COLOR_BTNTEXT);
|
|
text_colour = RGB(255,0,0);
|
|
|
|
background_colour = GetSysColor(COLOR_BTNFACE);
|
|
disabled_background_colour = background_colour;
|
|
light = GetSysColor(COLOR_3DLIGHT);
|
|
highlight = GetSysColor(COLOR_BTNHIGHLIGHT);
|
|
shadow = GetSysColor(COLOR_BTNSHADOW);
|
|
dark_shadow = GetSysColor(COLOR_3DDKSHADOW);
|
|
}
|
|
|
|
static void FillSolidRect(HDC hDC, int x, int y, int cx, int cy, COLORREF clr)
|
|
{
|
|
RECT rect;
|
|
|
|
SetBkColor(hDC, clr);
|
|
rect.left = x;
|
|
rect.top = y;
|
|
rect.right = x + cx;
|
|
rect.bottom = y + cy;
|
|
ExtTextOut(hDC, 0, 0, ETO_OPAQUE, &rect, NULL, 0, NULL);
|
|
}
|
|
|
|
void Draw3dRect(HDC hDC, int x, int y, int cx, int cy, COLORREF clrTopLeft, COLORREF clrBottomRight)
|
|
{
|
|
FillSolidRect(hDC, x, y, cx - 1, 1, clrTopLeft);
|
|
FillSolidRect(hDC, x, y, 1, cy - 1, clrTopLeft);
|
|
FillSolidRect(hDC, x + cx, y, -1, cy, clrBottomRight);
|
|
FillSolidRect(hDC, x, y + cy, cx, -1, clrBottomRight);
|
|
}
|
|
|
|
|
|
void DrawFilledRect(HDC hdc, LPRECT r, COLORREF colour)
|
|
{
|
|
HBRUSH hBrush;
|
|
|
|
hBrush = CreateSolidBrush(colour);
|
|
FillRect(hdc, r, hBrush);
|
|
}
|
|
|
|
void DrawLine(HDC hdc, long sx, long sy, long ex, long ey, COLORREF colour)
|
|
{
|
|
HPEN new_pen;
|
|
HPEN old_pen;
|
|
|
|
new_pen = CreatePen(PS_SOLID, 1, colour);
|
|
old_pen = SelectObject(hdc, &new_pen);
|
|
MoveToEx(hdc, sx, sy, NULL);
|
|
LineTo(hdc, ex, ey);
|
|
SelectObject(hdc, old_pen);
|
|
DeleteObject(new_pen);
|
|
}
|
|
|
|
void DrawFrame(HDC hdc, RECT r, int state)
|
|
{
|
|
COLORREF colour;
|
|
|
|
if (state & BUTTON_BLACK_BORDER) {
|
|
colour = CLR_BTN_BLACK;
|
|
DrawLine(hdc, r.left, r.top, r.right, r.top, colour); // Across top
|
|
DrawLine(hdc, r.left, r.top, r.left, r.bottom, colour); // Down left
|
|
DrawLine(hdc, r.left, r.bottom - 1, r.right, r.bottom - 1, colour); // Across bottom
|
|
DrawLine(hdc, r.right - 1, r.top, r.right - 1, r.bottom, colour); // Down right
|
|
InflateRect(&r, -1, -1);
|
|
}
|
|
if (state & BUTTON_OUT) {
|
|
colour = highlight;
|
|
DrawLine(hdc, r.left, r.top, r.right, r.top, colour); // Across top
|
|
DrawLine(hdc, r.left, r.top, r.left, r.bottom, colour); // Down left
|
|
colour = dark_shadow;
|
|
DrawLine(hdc, r.left, r.bottom - 1, r.right, r.bottom - 1, colour); // Across bottom
|
|
DrawLine(hdc, r.right - 1, r.top, r.right - 1, r.bottom, colour); // Down right
|
|
InflateRect(&r, -1, -1);
|
|
colour = light;
|
|
DrawLine(hdc, r.left, r.top, r.right, r.top, colour); // Across top
|
|
DrawLine(hdc, r.left, r.top, r.left, r.bottom, colour); // Down left
|
|
colour = shadow;
|
|
DrawLine(hdc, r.left, r.bottom - 1, r.right, r.bottom - 1, colour); // Across bottom
|
|
DrawLine(hdc, r.right - 1, r.top, r.right - 1, r.bottom, colour); // Down right
|
|
}
|
|
if (state & BUTTON_IN) {
|
|
colour = dark_shadow;
|
|
DrawLine(hdc, r.left, r.top, r.right, r.top, colour); // Across top
|
|
DrawLine(hdc, r.left, r.top, r.left, r.bottom, colour); // Down left
|
|
DrawLine(hdc, r.left, r.bottom - 1, r.right, r.bottom - 1, colour); // Across bottom
|
|
DrawLine(hdc, r.right - 1, r.top, r.right - 1, r.bottom, colour); // Down right
|
|
InflateRect(&r, -1, -1);
|
|
colour = shadow;
|
|
DrawLine(hdc, r.left, r.top, r.right, r.top, colour); // Across top
|
|
DrawLine(hdc, r.left, r.top, r.left, r.bottom, colour); // Down left
|
|
DrawLine(hdc, r.left, r.bottom - 1, r.right, r.bottom - 1, colour); // Across bottom
|
|
DrawLine(hdc, r.right - 1, r.top, r.right - 1, r.bottom, colour); // Down right
|
|
}
|
|
}
|
|
|
|
void DrawButtonText(HDC hdc, LPRECT r, LPCTSTR Buf, COLORREF text_colour)
|
|
{
|
|
COLORREF previous_colour;
|
|
|
|
previous_colour = SetTextColor(hdc, text_colour);
|
|
SetBkMode(hdc, TRANSPARENT);
|
|
DrawText(hdc, Buf, _tcslen(Buf), r, DT_CENTER | DT_VCENTER | DT_SINGLELINE);
|
|
SetTextColor(hdc, previous_colour);
|
|
}
|
|
|
|
#define bufSize 512
|
|
|
|
void DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct)
|
|
{
|
|
HDC hdc;
|
|
RECT focus_rect, button_rect, offset_button_rect;
|
|
UINT state;
|
|
TCHAR buffer[bufSize];
|
|
|
|
hdc = lpDrawItemStruct->hDC;
|
|
state = lpDrawItemStruct->itemState;
|
|
|
|
CopyRect(&focus_rect, &lpDrawItemStruct->rcItem);
|
|
CopyRect(&button_rect, &lpDrawItemStruct->rcItem);
|
|
|
|
// Set the focus rectangle to just past the border decoration
|
|
focus_rect.left += 4;
|
|
focus_rect.right -= 4;
|
|
focus_rect.top += 4;
|
|
focus_rect.bottom -= 4;
|
|
|
|
// Retrieve the button's caption
|
|
GetWindowText(lpDrawItemStruct->hwndItem, buffer, bufSize);
|
|
|
|
if (state & ODS_DISABLED) {
|
|
DrawFilledRect(hdc, &button_rect, disabled_background_colour);
|
|
} else {
|
|
DrawFilledRect(hdc, &button_rect, background_colour);
|
|
}
|
|
|
|
if (state & ODS_SELECTED) {
|
|
DrawFrame(hdc, button_rect, BUTTON_IN);
|
|
} else {
|
|
if ((state & ODS_DEFAULT) || (state & ODS_FOCUS)) {
|
|
DrawFrame(hdc, button_rect, BUTTON_OUT | BUTTON_BLACK_BORDER);
|
|
} else {
|
|
DrawFrame(hdc, button_rect, BUTTON_OUT);
|
|
}
|
|
}
|
|
|
|
if (state & ODS_DISABLED) {
|
|
offset_button_rect = button_rect;
|
|
OffsetRect(&offset_button_rect, 1, 1);
|
|
DrawButtonText(hdc, &offset_button_rect, buffer, CLR_BTN_WHITE);
|
|
DrawButtonText(hdc, &button_rect, buffer, CLR_BTN_DGREY);
|
|
} else {
|
|
DrawButtonText(hdc, &button_rect, buffer, text_colour);
|
|
}
|
|
|
|
if (state & ODS_FOCUS) {
|
|
DrawFocusRect(lpDrawItemStruct->hDC, (LPRECT)&focus_rect);
|
|
}
|
|
}
|
|
|
|
|