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snes9x/win32/CShaderParamDlg.cpp

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C++
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#include "CShaderParamDlg.h"
#include "wsnes9x.h"
#include "display.h"
#include "win32_display.h"
#include <CommCtrl.h>
#define IDC_PARAMS_START_STATIC 5000
#define IDC_PARAMS_START_EDIT 5500
#define IDC_PARAMS_START_UPDOWN 6000
INT_PTR CALLBACK CShaderParamDlg::DlgShaderParams(HWND hDlg, UINT msg, WPARAM wParam, LPARAM lParam)
{
CShaderParamDlg* dlg = (CShaderParamDlg*)GetWindowLongPtr(hDlg, GWLP_USERDATA);
switch(msg)
{
case WM_INITDIALOG:
SetWindowLongPtr(hDlg, GWLP_USERDATA, lParam);
dlg = (CShaderParamDlg*)lParam;
dlg->createContent(hDlg);
return TRUE;
case WM_COMMAND:
switch(LOWORD(wParam))
{
case IDCANCEL:
if(HIWORD(wParam) == BN_CLICKED) {
EndDialog(hDlg, IDCANCEL);
return TRUE;
}
break;
case IDOK:
if(HIWORD(wParam) == BN_CLICKED) {
dlg->get_changed_parameters(hDlg);
EndDialog(hDlg, IDOK);
return TRUE;
}
case IDAPPLY:
if(HIWORD(wParam) == BN_CLICKED) {
dlg->apply_changes(hDlg);
return TRUE;
}
}
case WM_VSCROLL:
{
short sbCode = LOWORD(wParam);
SCROLLINFO si = { 0 };
si.cbSize = sizeof(SCROLLINFO);
si.fMask = SIF_ALL;
GetScrollInfo((HWND)lParam, SB_CTL, &si);
int delta = 0;
int maxPos = si.nMax - si.nPage;
switch(sbCode) {
case SB_LINEDOWN:
if(dlg->scrollpos >= maxPos)
break;
delta = min(max(maxPos / 20, 5), maxPos - dlg->scrollpos);
break;
case SB_LINEUP:
if(dlg->scrollpos <= 0)
break;
delta = -min(max(maxPos / 20, 5), dlg->scrollpos);
break;
case SB_PAGEDOWN:
if(dlg->scrollpos >= maxPos)
break;
delta = min(si.nPage, maxPos - dlg->scrollpos);
break;
case SB_THUMBTRACK:
delta = (int)si.nTrackPos - dlg->scrollpos;
break;
case SB_THUMBPOSITION:
delta = (int)si.nPos - dlg->scrollpos;
break;
case SB_PAGEUP:
if(dlg->scrollpos <= 0)
break;
delta = -min((INT)si.nPage, dlg->scrollpos);
break;
}
dlg->scrollpos += delta;
HWND hContainer = GetDlgItem(hDlg, IDC_STATIC_CONTAINER);
RECT clientRect;
GetClientRect(hContainer, &clientRect);
ScrollWindow(hContainer, 0, -delta, NULL, &clientRect);
SetScrollPos((HWND)lParam, SB_CTL, dlg->scrollpos, TRUE);
}
}
return FALSE;
}
INT_PTR CALLBACK CShaderParamDlg::WndProcContainerStatic(HWND hStatic, UINT msg, WPARAM wParam, LPARAM lParam)
{
CShaderParamDlg* dlg = (CShaderParamDlg*)GetWindowLongPtr(hStatic, GWLP_USERDATA);
switch (msg)
{
case WM_NOTIFY:
UINT nCode = ((LPNMHDR)lParam)->code;
switch (nCode)
{
case UDN_DELTAPOS:
LPNMUPDOWN lpnmud = (LPNMUPDOWN)lParam;
dlg->handle_up_down(hStatic, lpnmud->hdr.idFrom, lpnmud->iDelta);
dlg->apply_changes(GetParent(hStatic));
return TRUE; // return true so the up/down pos does not change
}
}
return dlg->oldStaticProc(hStatic, msg, wParam, lParam);
}
CShaderParamDlg::CShaderParamDlg(GLSLShader &glsl_shader): shader(glsl_shader)
{
HDC hIC;
TEXTMETRIC tm;
LOGFONT lf;
OSVERSIONINFO ovi;
ovi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
GetVersionEx(&ovi);
hIC = CreateIC(TEXT("DISPLAY"), NULL, NULL, NULL); // information context
lf.lfHeight = (LONG)ceil(((-8.0f) * (FLOAT)GetDeviceCaps(hIC, LOGPIXELSY) / 72.0f) - 0.5f);
lf.lfWidth = 0;
lf.lfEscapement = 0;
lf.lfOrientation = 0;
lf.lfWeight = FW_DONTCARE; //default weight
lf.lfItalic = FALSE;
lf.lfUnderline = FALSE;
lf.lfStrikeOut = FALSE;
lf.lfCharSet = DEFAULT_CHARSET;
lf.lfOutPrecision = OUT_DEFAULT_PRECIS;
lf.lfClipPrecision = CLIP_DEFAULT_PRECIS;
lf.lfQuality = DEFAULT_QUALITY;
lf.lfPitchAndFamily = DEFAULT_PITCH | FF_DONTCARE;
if(ovi.dwMajorVersion >= 6) //Vista
lstrcpy(lf.lfFaceName, TEXT("Segoe UI"));
else if(ovi.dwMajorVersion >= 5) //2000 - Vista
lstrcpy(lf.lfFaceName, TEXT("MS Shell Dlg 2"));
else
lstrcpy(lf.lfFaceName, TEXT("MS Shell Dlg"));
hFont = CreateFontIndirect(&lf);
SelectObject(hIC, hFont);
GetTextMetrics(hIC, &tm);
avgCharWidth = tm.tmAveCharWidth;
avgCharHeight = tm.tmHeight;
DeleteDC(hIC);
}
CShaderParamDlg::~CShaderParamDlg()
{
if(hFont)
DeleteFont(hFont);
}
bool CShaderParamDlg::show()
{
if(DialogBoxParam(GUI.hInstance, MAKEINTRESOURCE(IDD_DIALOG_SHADER_PARAMS), GUI.hWnd, DlgShaderParams, (LPARAM)this) == IDOK)
{
save_custom_shader();
return true;
}
return false;
}
void CShaderParamDlg::createContent(HWND hDlg)
{
#define LEFT_OFFSET 10
#define TOP_OFFSET 10
#define HORIZONTAL_SPACE 20
#define VERTICAL_SPACE 15
#define DESC_WIDTH_CHARS 50
#define EDIT_WIDTH_CHARS 10
HWND parent = GetDlgItem(hDlg, IDC_STATIC_CONTAINER);
// override static wndproc so we can handle the up/down messages, save original proc so we can forward everything else
oldStaticProc = (WNDPROC)GetWindowLongPtr(parent, GWLP_WNDPROC);
SetWindowLongPtr(parent, GWLP_WNDPROC, (LONG_PTR)WndProcContainerStatic);
SetWindowLongPtr(parent, GWLP_USERDATA, (LONG_PTR)this);
unsigned int top = TOP_OFFSET;
for(int i = 0; i < shader.param.size(); i++) {
GLSLParam &p = shader.param[i];
TCHAR desc[270];
_stprintf(desc, TEXT("%s [%g-%g]"), (TCHAR*)_tFromChar(p.name), p.min, p.max);
HWND item = CreateWindow(TEXT("STATIC"), desc, SS_LEFTNOWORDWRAP | WS_VISIBLE | WS_CHILD, LEFT_OFFSET, (INT)(top + avgCharHeight * 0.2), DESC_WIDTH_CHARS * avgCharWidth, avgCharHeight, parent, (HMENU)(UINT_PTR)(IDC_PARAMS_START_STATIC + i), GUI.hInstance, NULL);
SendMessage(item, WM_SETFONT, (WPARAM)hFont, MAKELPARAM(FALSE, 0));
TCHAR val[100];
_stprintf(val, TEXT("%g"), p.val);
unsigned int edit_left = LEFT_OFFSET + DESC_WIDTH_CHARS * avgCharWidth + HORIZONTAL_SPACE;
item = CreateWindowEx(WS_EX_CLIENTEDGE, TEXT("EDIT"), val, ES_AUTOHSCROLL | WS_VISIBLE | WS_CHILD | WS_TABSTOP, edit_left , top, EDIT_WIDTH_CHARS * avgCharWidth, (INT)(avgCharHeight * 1.7), parent, (HMENU)(UINT_PTR)(IDC_PARAMS_START_EDIT + i), GUI.hInstance, NULL);
SendMessage(item, WM_SETFONT, (WPARAM)hFont, MAKELPARAM(FALSE, 0));
item = CreateWindow(UPDOWN_CLASS, NULL, WS_CHILDWINDOW | WS_VISIBLE | UDS_AUTOBUDDY | UDS_ALIGNRIGHT | UDS_ARROWKEYS | UDS_HOTTRACK, 0, 0, 0, 0, parent, (HMENU)(UINT_PTR)(IDC_PARAMS_START_UPDOWN + i), GUI.hInstance, NULL);
SendMessage(item, UDM_SETRANGE, 0, MAKELONG(10, -10)); // we don't use this range, simply set it so the up arrow is positive and down arrow negative
top += avgCharHeight + VERTICAL_SPACE;
}
RECT clientRect, windowRect;
GetClientRect(parent, &clientRect);
HWND scrollbar = GetDlgItem(hDlg,IDC_SCROLLBAR_PARAMS);
SCROLLINFO si = { 0 };
si.cbSize = sizeof(SCROLLINFO);
si.fMask = SIF_RANGE | SIF_PAGE;
si.nMin = 0;
si.nMax = top;
si.nPage = clientRect.bottom;
si.nPos = 0;
scrollpos = 0;
SetScrollInfo(scrollbar, SB_CTL, &si, TRUE);
}
void CShaderParamDlg::handle_up_down(HWND hStatic, int id, int change)
{
int param_id = id - IDC_PARAMS_START_UPDOWN;
HWND hEdit = GetDlgItem(hStatic, IDC_PARAMS_START_EDIT + param_id);
GLSLParam &p = shader.param[param_id];
TCHAR val[100];
GetWindowText(hEdit, val, 100);
p.val = _ttof(val);
p.val += change > 0 ? p.step : -p.step;
if (p.val < p.min)
p.val = p.min;
if (p.val > p.max)
p.val = p.max;
_stprintf(val, TEXT("%g"), p.val);
SetWindowText(hEdit, val);
}
void CShaderParamDlg::get_changed_parameters(HWND hDlg)
{
HWND parent = GetDlgItem(hDlg, IDC_STATIC_CONTAINER);
for(int i = 0; i < shader.param.size(); i++) {
GLSLParam &p = shader.param[i];
TCHAR val[100];
HWND hEdit = GetDlgItem(parent, IDC_PARAMS_START_EDIT + i);
GetWindowText(hEdit, val, 100);
p.val = _ttof(val);
if(p.val < p.min)
p.val = p.min;
if(p.val > p.max)
p.val = p.max;
_stprintf(val, TEXT("%g"), p.val);
SetWindowText(hEdit, val);
}
}
void CShaderParamDlg::save_custom_shader()
{
TCHAR save_path[MAX_PATH];
_stprintf(save_path, TEXT("%s\\custom_shader_params.glslp"), S9xGetDirectoryT(DEFAULT_DIR));
shader.save(_tToChar(save_path));
lstrcpy(GUI.OGLshaderFileName, save_path);
}
void CShaderParamDlg::apply_changes(HWND hDlg)
{
get_changed_parameters(hDlg);
save_custom_shader();
WinDisplayApplyChanges();
WinRefreshDisplay();
}
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