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#include "main.h"
#include "comboskin.h"
static int RectInRect(RECT *rect1, RECT *rect2)
{
// this has a bias towards true
// this could probably be optimized a lot
return ((rect1->top >= rect2->top && rect1->top <= rect2->bottom) ||
(rect1->bottom >= rect2->top && rect1->bottom <= rect2->bottom) ||
(rect2->top >= rect1->top && rect2->top <= rect1->bottom) ||
(rect2->bottom >= rect1->top && rect2->bottom <= rect1->bottom)) // vertical intersect
&&
((rect1->left >= rect2->left && rect1->left <= rect2->right) ||
(rect1->right >= rect2->left && rect1->right <= rect2->right) ||
(rect2->left >= rect1->left && rect2->left <= rect1->right) ||
(rect2->right >= rect1->left && rect2->right <= rect1->right)) // horiz intersect
;
}
static INT_PTR CALLBACK wndproc(HWND hwndDlg, UINT uMsg, WPARAM wParam,LPARAM lParam)
{
ComboSkin *cs=(ComboSkin *)(LONG_PTR)GetWindowLongPtr(hwndDlg,GWLP_USERDATA);
if (uMsg == WM_PAINT)
{
RECT r;
GetClientRect(hwndDlg,&r);
RECT ur;
GetUpdateRect(hwndDlg,&ur,FALSE);
if(RectInRect(&r,&ur)) //hmmm not sure about testing this, should probably use a backbuffer or something
{
//Fill with bg color
HDC hdc=GetDC(hwndDlg);
HBRUSH b=CreateSolidBrush(WADlg_getColor(WADLG_WNDBG));
HBRUSH b2=CreateSolidBrush(WADlg_getColor(WADLG_HILITE)); //sunken
//top line
{
RECT a={0,0,r.right-r.left,3};
FillRect(hdc,&a,b);
ValidateRect(hwndDlg,&a);
}
//bottom lines
{
RECT a={0,r.bottom-2,r.right-r.left,r.bottom};
FillRect(hdc,&a,b);
ValidateRect(hwndDlg,&a);
}
{
//sunken part
RECT a={0,r.bottom-3,r.right-r.left,r.bottom-2};
FillRect(hdc,&a,b2);
ValidateRect(hwndDlg,&a);
}
//left
{
RECT a={0,0,2,r.bottom-r.top};
FillRect(hdc,&a,b);
ValidateRect(hwndDlg,&a);
}
//right
{
RECT a={r.right-2,0,r.right,r.bottom-r.top};
FillRect(hdc,&a,b);
ValidateRect(hwndDlg,&a);
}
//paint the arrow
HBITMAP bmp=WADlg_getBitmap();
HDC hdcbmp = CreateCompatibleDC(hdc);
SelectObject(hdcbmp,bmp);
int pushed=0;
if(GetAsyncKeyState(MK_LBUTTON) & 0x8000)
{
//check if in arrow down area
POINT cursor;
GetCursorPos(&cursor);
ScreenToClient(hwndDlg,&cursor);
if(cursor.x >= r.right-20 && cursor.x <= r.right)
{
pushed=1;
}
}
int startx=14;
int starty=31;
if(pushed) startx+=28;
int left=r.right-18;
int top=r.top+4;
StretchBlt(hdc,left,top,14,14,hdcbmp,startx,starty,14,14,SRCCOPY);
DeleteDC(hdcbmp);
RECT a={left,top,left+14,top+14};
ValidateRect(hwndDlg,&a);
//paint arrow borders
{
HBRUSH b=CreateSolidBrush(WADlg_getColor(WADLG_ITEMBG));
RECT a={left,3,left+14,4};
FillRect(hdc,&a,b);
ValidateRect(hwndDlg,&a);
RECT c={left,17,left+14,18};
FillRect(hdc,&c,b);
ValidateRect(hwndDlg,&c);
RECT d={left+14,3,left+15,18};
FillRect(hdc,&d,b);
ValidateRect(hwndDlg,&d);
RECT e={left+15,3,left+16,19};
FillRect(hdc,&e,b2);
ValidateRect(hwndDlg,&e);
DeleteObject(b);
}
DeleteObject(b);
DeleteObject(b2);
ReleaseDC(hwndDlg,hdc);
}
}
if(uMsg == WM_WINDOWPOSCHANGING)
{
//move it up 1 pixel so it's correctly centered
WINDOWPOS *wp=(WINDOWPOS *)lParam;
wp->y--;
}
if(uMsg == WM_KILLFOCUS || uMsg == WM_LBUTTONUP)
{
InvalidateRect(hwndDlg,NULL,TRUE);
}
return CallWindowProc(cs->m_old_wndproc,hwndDlg,uMsg,wParam,lParam);
}
ComboSkin::ComboSkin(HWND hwnd)
{
m_hwnd=hwnd;
SetWindowLongPtr(m_hwnd,GWLP_USERDATA, (LONGX86)(LONG_PTR)this);
m_old_wndproc=(WNDPROC)(LONG_PTR)SetWindowLongPtr(m_hwnd,GWLP_WNDPROC, (LONGX86)(LONG_PTR)wndproc);
}
ComboSkin::~ComboSkin()
{
SetWindowLongPtr(m_hwnd,GWLP_WNDPROC, (LONGX86)(LONG_PTR)m_old_wndproc);
}
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