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winamp/Src/Plugins/General/gen_ml/listheader.cpp

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8.7 KiB
C++
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#include "main.h"
#include <windowsx.h>
#include "config.h"
#include "../winamp/wa_dlg.h"
static int m_column_resize=0; //0=normal, 1=selected item only, 2=proportional
static int m_origsizes[32], m_origwidth;
static float m_origperc[32];
static void columnTrackStart(HWND hwnd, int item)
{
int l=Header_GetItemCount(hwnd);
m_origwidth=0;
int i;
for(i=item+1;i<l;i++) {
HD_ITEM hi;
hi.mask = HDI_WIDTH;
Header_GetItem(hwnd, i, &hi);
m_origwidth+=hi.cxy;
}
for(i=item;i<l;i++) {
if(i==-1) continue;
HD_ITEM hi;
hi.mask = HDI_WIDTH;
Header_GetItem(hwnd, i, &hi);
m_origsizes[i]=hi.cxy;
if(m_origwidth==0)
m_origperc[i]=0;
else
m_origperc[i]=(float)hi.cxy/(float)m_origwidth;
}
}
static void columnAutoResizeProp(HWND hwnd, int item)
{
SendMessage(GetParent(hwnd),WM_SETREDRAW,FALSE,0);
int l=Header_GetItemCount(hwnd);
int width=0;
int i;
HD_ITEM hi;
hi.mask = HDI_WIDTH;
Header_GetItem(hwnd, item, &hi);
width=m_origwidth-(hi.cxy-m_origsizes[item]);
float rest=0;
for(i=item+1;i<l;i++) {
HD_ITEM hi;
hi.mask = HDI_WIDTH;
float l=m_origperc[i]*(float)width;
l+=rest;
rest=0;
int l2=(int)l;
rest+=l-(float)l2;
hi.cxy=l2;
Header_SetItem(hwnd, i, &hi);
}
SendMessage(GetParent(hwnd),WM_SETREDRAW,TRUE,0);
}
static void columnAutoResizeItem(HWND hwnd, int item)
{
HD_ITEM hi;
hi.mask = HDI_WIDTH;
Header_GetItem(hwnd, item, &hi);
int diff=hi.cxy-m_origsizes[item];
hi.mask = HDI_WIDTH;
if(Header_GetItem(hwnd, item+1, &hi)) {
SendMessage(GetParent(hwnd),WM_SETREDRAW,FALSE,0);
hi.cxy-=diff;
Header_SetItem(hwnd,item+1,&hi);
SendMessage(GetParent(hwnd),WM_SETREDRAW,TRUE,0);
}
m_origsizes[item]+=diff;
}
static void size_autoResizeStart(HWND h)
{
RECT r;
GetClientRect(h,&r);
char tmp[128];
wsprintf(tmp,"start:%i\n",r.right-r.left);
OutputDebugString(tmp);
}
static void size_autoResizeProp(HWND h)
{
RECT r;
GetClientRect(h,&r);
char tmp[128];
wsprintf(tmp,"prop:%i\n",r.right-r.left);
OutputDebugString(tmp);
}
INT_PTR handleListViewHeaderMsgs(HWND hwndDlg,
HWND headerWnd,
HWND listWnd,
UINT uMsg,
WPARAM wParam,
LPARAM lParam,
BOOL sortShow,
BOOL sortAscending,
int sortIndex)
{
if (uMsg == WM_NOTIFY) {
LPNMCUSTOMDRAW lpnmcd = (NMCUSTOMDRAW *)lParam;
if(lpnmcd->hdr.code == NM_CUSTOMDRAW && lpnmcd->hdr.hwndFrom == headerWnd) {
switch (lpnmcd->dwDrawStage) {
// prior to painting
case CDDS_PREPAINT:
return CDRF_NOTIFYITEMDRAW; // tell windows we want individual notification of each item being drawn
// notification of each item being drawn
case CDDS_ITEMPREPAINT:
{
LOGBRUSH lb={BS_SOLID,WADlg_getColor(WADLG_LISTHEADER_BGCOLOR)};
HBRUSH brush;
brush=CreateBrushIndirect(&lb);
HDC hdc=lpnmcd->hdc;
RECT *rc=&lpnmcd->rc;
FillRect(hdc,rc,brush);
DeleteObject(brush);
int selected=(lpnmcd->uItemState&CDIS_SELECTED)?1:0;
HPEN pen;
if (!selected) pen=CreatePen(PS_SOLID,1,WADlg_getColor(WADLG_LISTHEADER_FRAME_TOPCOLOR));
else pen=CreatePen(PS_SOLID,1,WADlg_getColor(WADLG_LISTHEADER_FRAME_BOTTOMCOLOR));
HGDIOBJ oldobj=SelectObject(hdc,pen);
//SelectPen(hdc,pen);
MoveToEx(hdc,rc->left,rc->top,NULL);
LineTo(hdc,rc->right,rc->top);
MoveToEx(hdc,rc->left,rc->top,NULL);
LineTo(hdc,rc->left,rc->bottom);
if (!selected)
{
SelectObject(hdc,oldobj);
DeleteObject(pen);
pen=CreatePen(PS_SOLID,1,WADlg_getColor(WADLG_LISTHEADER_FRAME_BOTTOMCOLOR));
oldobj=SelectObject(hdc,pen);
}
MoveToEx(hdc,rc->right-1,rc->top,NULL);
LineTo(hdc,rc->right-1,rc->bottom);
MoveToEx(hdc,rc->right-1,rc->bottom-1,NULL);
LineTo(hdc,rc->left-1,rc->bottom-1);
SelectObject(hdc,oldobj);
DeleteObject(pen);
if(!selected) {
pen=CreatePen(PS_SOLID,1,WADlg_getColor(WADLG_LISTHEADER_FRAME_MIDDLECOLOR));
oldobj=SelectObject(hdc,pen);
MoveToEx(hdc,rc->right-2,rc->top+1,NULL);
LineTo(hdc,rc->right-2,rc->bottom-2);
MoveToEx(hdc,rc->right-2,rc->bottom-2,NULL);
LineTo(hdc,rc->left,rc->bottom-2);
SelectObject(hdc,oldobj);
DeleteObject(pen);
}
DWORD_PTR i=lpnmcd->dwItemSpec;
char txt[128];
LVCOLUMN lv={LVCF_TEXT,0,0,txt,sizeof(txt)-1,};
ListView_GetColumn(listWnd,i,&lv);
SetBkMode(hdc,TRANSPARENT);
SetTextColor(hdc,WADlg_getColor(WADLG_LISTHEADER_FONTCOLOR));
RECT rc2=*rc;
rc2.left+=5; rc2.right-=3;
rc2.top+=2; rc2.bottom-=2;
if(selected) {
rc2.left++;
rc2.top++;
}
if (sortShow && (i == sortIndex) && ((rc->right - rc->left) > 40) )
{
rc2.right -= 14;
HPEN penDark;
pen=CreatePen(PS_SOLID,1,WADlg_getColor(WADLG_LISTHEADER_FRAME_TOPCOLOR));
penDark=CreatePen(PS_SOLID,1,WADlg_getColor(WADLG_LISTHEADER_EMPTY_BGCOLOR));
oldobj=SelectObject(hdc,pen);
if (sortAscending)
{
//strcpy(txt, " /\\ ");
// Draw triangle pointing upwards
MoveToEx(hdc, rc->right - 10, rc->top + 5, NULL);
LineTo(hdc, rc->right - 6, rc->bottom - 6);
LineTo(hdc, rc->right - 15, rc->bottom - 6 );
MoveToEx(hdc, rc->right - 14, rc->bottom - 7, NULL );
SelectObject(hdc, penDark);
LineTo(hdc, rc->right - 10, rc->top + 5);
}
else
{
// Draw triangle pointing downwords
MoveToEx(hdc, rc->right - 7, rc->top + 7, NULL);
LineTo(hdc, rc->right - 11, rc->bottom - 6 );
MoveToEx(hdc, rc->right - 11, rc->bottom - 6, NULL);
SelectObject(hdc, penDark);
LineTo(hdc, rc->right - 15, rc->top + 6 );
LineTo(hdc, rc->right - 6, rc->top + 6);
}
SelectObject(hdc,oldobj);
DeleteObject(pen);
DeleteObject(penDark);
}
DrawText(hdc,txt,-1,&rc2,DT_VCENTER|DT_SINGLELINE|DT_LEFT);
}
return CDRF_SKIPDEFAULT;
}
}
HD_NOTIFY *pHDN = (HD_NOTIFY*)lParam;
if(pHDN->hdr.code == HDN_BEGINTRACKW || pHDN->hdr.code == HDN_BEGINTRACKA)
{
m_column_resize=g_config->ReadInt("column_resize_mode",m_column_resize);
if(m_column_resize) columnTrackStart(pHDN->hdr.hwndFrom, pHDN->iItem);
}
if(pHDN->hdr.code==HDN_ENDTRACKW || pHDN->hdr.code==HDN_ENDTRACKA || pHDN->hdr.code==HDN_ITEMCHANGINGW || pHDN->hdr.code==HDN_ITEMCHANGINGA) {
static int disable=0;
if(disable) return FALSE;
disable=1;
if(m_column_resize==1) columnAutoResizeItem(pHDN->hdr.hwndFrom, pHDN->iItem);
if(m_column_resize==2) columnAutoResizeProp(pHDN->hdr.hwndFrom, pHDN->iItem);
disable=0;
SendMessage(hwndDlg,WM_USER+0x3443,0,0); //update ScrollWnd
}
}
/*if(uMsg==WM_WINDOWPOSCHANGING) {
HWND h=ListView_GetHeader(hwndDlg);
if(h) size_autoResizeStart(h);
}
if(uMsg==WM_SIZE) {
HWND h=ListView_GetHeader(hwndDlg);
if(h) size_autoResizeProp(h);
}*/
return 0;
}
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
;
}
INT_PTR handleListViewHeaderPaintMsgs(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam) {
if(uMsg==WM_ERASEBKGND)
{
return 1; //we erase the background below
}
if(uMsg==WM_PAINT)
{
//process the grey area with our color
RECT r;
GetClientRect(hwndDlg,&r);
int n=Header_GetItemCount(hwndDlg);
if(n)
{
RECT r2;
Header_GetItemRect(hwndDlg,n-1,&r2);
r.left=r2.right;
}
RECT ur;
GetUpdateRect(hwndDlg,&ur,FALSE);
if(RectInRect(&r,&ur))
{
HDC hdc=GetDC(hwndDlg);
HBRUSH b=CreateSolidBrush(WADlg_getColor(WADLG_LISTHEADER_EMPTY_BGCOLOR));
FillRect(hdc,&r,b);
DeleteObject(b);
ReleaseDC(hwndDlg,hdc);
ValidateRect(hwndDlg,&r);
}
}
return 0;
}
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