snes9x/win32/CShaderParamDlg.cpp

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/*****************************************************************************\
Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
This file is licensed under the Snes9x License.
For further information, consult the LICENSE file in the root directory.
\*****************************************************************************/
#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
#define IDC_PARAMS_START_TRACKBAR 6500
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_SIZE:
dlg->resize(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)
{
UINT nCode;
CShaderParamDlg* dlg = (CShaderParamDlg*)GetWindowLongPtr(hStatic, GWLP_USERDATA);
switch (msg)
{
case WM_NOTIFY:
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
}
break;
case WM_HSCROLL:
dlg->trackbar_changed((HWND)lParam);
dlg->apply_changes(GetParent(hStatic));
break;
}
return dlg->oldStaticProc(hStatic, msg, wParam, lParam);
}
void CShaderParamDlg::trackbar_changed(HWND trackbar)
{
LONG i = GetWindowLongPtr(trackbar, GWLP_USERDATA);
auto& p = parameter_widgets[i];
int pos = SendMessage(trackbar, TBM_GETPOS, 0, 0);
float value = parameters[i].step * pos + parameters[i].min;
TCHAR val[256];
_stprintf(val, TEXT("%g"), value);
SetWindowText(p.entry, val);
}
CShaderParamDlg::CShaderParamDlg(std::vector<ShaderParam>& parameters_, std::function<void (const char *)> save_function_)
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: parameters(parameters_),
save_function(save_function_)
{
HDC hIC;
TEXTMETRIC tm;
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LOGFONT lf{};
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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()
{
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saved_parameters = parameters;
if(DialogBoxParam(GUI.hInstance, MAKEINTRESOURCE(IDD_DIALOG_SHADER_PARAMS), GUI.hWnd, DlgShaderParams, (LPARAM)this) == IDOK)
{
save_custom_shader();
return true;
}
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parameters = saved_parameters;
WinRefreshDisplay();
return false;
}
static int fromDialogUnits(HWND dialog, int value)
{
RECT rect = { value, value, value, value };
MapDialogRect(dialog, &rect);
return rect.left;
};
void CShaderParamDlg::resize(HWND hDlg)
{
const int MARGIN = fromDialogUnits(hDlg, 5);
RECT buttonRect;
GetClientRect(GetDlgItem(hDlg, IDOK), &buttonRect);
const int BUTTON_WIDTH = buttonRect.right - buttonRect.left;
const int BUTTON_HEIGHT = buttonRect.bottom - buttonRect.top;
const int SCROLLBAR_WIDTH = fromDialogUnits(hDlg, 12);
const int edit_width = avgCharWidth * 12;
RECT dialogRect;
GetClientRect(hDlg, &dialogRect);
HWND parent = GetDlgItem(hDlg, IDC_STATIC_CONTAINER);
RECT crect;
GetClientRect(parent, &crect);
SetWindowPos(parent, 0, MARGIN, MARGIN, dialogRect.right - MARGIN * 2 - SCROLLBAR_WIDTH, dialogRect.bottom - MARGIN * 3 - BUTTON_HEIGHT, SWP_NOZORDER);
SetWindowPos(GetDlgItem(hDlg, IDAPPLY ), 0, dialogRect.right - (MARGIN + BUTTON_WIDTH) * 1, dialogRect.bottom - MARGIN - BUTTON_HEIGHT, 0, 0, SWP_NOSIZE | SWP_NOZORDER);
SetWindowPos(GetDlgItem(hDlg, IDCANCEL), 0, dialogRect.right - (MARGIN + BUTTON_WIDTH) * 2, dialogRect.bottom - MARGIN - BUTTON_HEIGHT, 0, 0, SWP_NOSIZE | SWP_NOZORDER);
SetWindowPos(GetDlgItem(hDlg, IDOK ), 0, dialogRect.right - (MARGIN + BUTTON_WIDTH) * 3, dialogRect.bottom - MARGIN - BUTTON_HEIGHT, 0, 0, SWP_NOSIZE | SWP_NOZORDER);
SetWindowPos(GetDlgItem(hDlg, IDC_SCROLLBAR_PARAMS), 0, dialogRect.right - MARGIN - SCROLLBAR_WIDTH, MARGIN, SCROLLBAR_WIDTH, dialogRect.bottom - MARGIN * 3 - BUTTON_HEIGHT, SWP_NOZORDER);
HWND scrollbar = GetDlgItem(hDlg, IDC_SCROLLBAR_PARAMS);
SCROLLINFO si = { 0 };
si.cbSize = sizeof(SCROLLINFO);
si.fMask = SIF_PAGE;
si.nPage = crect.bottom;
SetScrollInfo(scrollbar, SB_CTL, &si, TRUE);
for (size_t i = 0; i < parameter_widgets.size(); i++)
{
auto& p = parameter_widgets[i];
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SetWindowPos(p.trackbar, 0, 0, 0, crect.right - MARGIN * 4 - maxDescriptionWidth - edit_width, (int)(avgCharHeight * 1.7), SWP_NOMOVE | SWP_NOZORDER);
SetWindowPos(p.entry, 0, crect.right - MARGIN - edit_width, -1 * scrollpos + MARGIN + (int)i * ((int)(avgCharHeight * 1.7) + MARGIN), edit_width, (int)(avgCharHeight * 1.7), SWP_NOZORDER);
SendMessage(p.updown, UDM_SETBUDDY, (WPARAM)p.entry, 0);
}
}
void CShaderParamDlg::createContent(HWND hDlg)
{
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);
RECT clientRect;
GetClientRect(parent, &clientRect);
maxDescriptionWidth = 30;
for (auto& p : parameters)
{
SIZE size;
Utf8ToWide wcsname(p.name.c_str());
GetTextExtentPoint32(GetDC(hDlg), wcsname, wcslen(wcsname), &size);
if (size.cx > maxDescriptionWidth)
maxDescriptionWidth = size.cx;
}
maxDescriptionWidth += 5;
const int MARGIN = fromDialogUnits(hDlg, 5);
unsigned int desc_width = maxDescriptionWidth;
unsigned int edit_width = avgCharWidth * 12;
unsigned int edit_left = clientRect.right - MARGIN - edit_width;
unsigned int top = MARGIN;
parameter_widgets.clear();
for(int i = 0; i < parameters.size() && i < 500; i++) {
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ParameterWidgetSet widgets{};
ShaderParam &p = parameters[i];
TCHAR desc[270];
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_stprintf(desc, TEXT("%s [%g-%g]"), (TCHAR*)_tFromChar(p.name.c_str()), p.min, p.max);
HWND item = CreateWindow(TEXT("STATIC"), desc, SS_LEFTNOWORDWRAP | WS_VISIBLE | WS_CHILD, MARGIN, (INT)(top + avgCharHeight * 0.3), desc_width, avgCharHeight, parent, (HMENU)(UINT_PTR)(IDC_PARAMS_START_STATIC + i), GUI.hInstance, NULL);
SendMessage(item, WM_SETFONT, (WPARAM)hFont, MAKELPARAM(FALSE, 0));
widgets.label = item;
item = CreateWindowExW(
0,
TRACKBAR_CLASS,
L"",
WS_CHILD |
WS_VISIBLE |
TBS_NOTICKS,
desc_width + MARGIN * 2, top,
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clientRect.right - desc_width - edit_width - MARGIN * 4, (int)(avgCharHeight * 1.7),
parent,
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(HMENU)(UINT_PTR)(IDC_PARAMS_START_TRACKBAR + i),
GUI.hInstance,
NULL
);
SendMessage(item, TBM_SETRANGEMIN, false, 0);
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SendMessage(item, TBM_SETRANGEMAX, false, (LPARAM)round((p.max - p.min) / p.step));
SendMessage(item, TBM_SETPOS, true, (LPARAM)round((p.val - p.min) / p.step));
SetWindowLongPtr(item, GWLP_USERDATA, i);
widgets.trackbar = item;
TCHAR val[100];
_stprintf(val, TEXT("%g"), p.val);
item = CreateWindowEx(WS_EX_CLIENTEDGE, TEXT("EDIT"), val, ES_AUTOHSCROLL | WS_VISIBLE | WS_CHILD | WS_TABSTOP, edit_left , top, edit_width, (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));
widgets.entry = item;
item = CreateWindow(UPDOWN_CLASS, NULL, WS_CHILDWINDOW | WS_VISIBLE | 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
widgets.updown = item;
SendMessage(item, UDM_SETBUDDY, (WPARAM)widgets.entry, 0);
top += (INT)(avgCharHeight * 1.7 + MARGIN);
parameter_widgets.push_back(widgets);
}
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RECT 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);
resize(hDlg);
}
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);
ShaderParam &p = parameters[param_id];
TCHAR val[100];
GetWindowText(hEdit, val, 100);
p.val = _ttof(val);
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int step = (int)round((p.val - p.min) / p.step);
step += change > 0 ? 1 : -1;
p.val = step * p.step + p.min;
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);
SendMessage(parameter_widgets[param_id].trackbar, TBM_SETPOS, true, step);
}
void CShaderParamDlg::get_changed_parameters(HWND hDlg)
{
HWND parent = GetDlgItem(hDlg, IDC_STATIC_CONTAINER);
for(int i = 0; i < parameters.size() && i < 500; i++) {
ShaderParam &p = parameters[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];
int len = lstrlen(GUI.OGLshaderFileName);
if (len > 5 && !_tcsncicmp(&GUI.OGLshaderFileName[len - 6], TEXT(".glslp"), 6)) {
_stprintf(save_path, TEXT("%s\\custom_shader_params.glslp"), S9xGetDirectoryT(DEFAULT_DIR));
}
else {
_stprintf(save_path, TEXT("%s\\custom_shader_params.slangp"), S9xGetDirectoryT(DEFAULT_DIR));
}
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save_function(_tToChar(save_path));
lstrcpy(GUI.OGLshaderFileName, save_path);
}
void CShaderParamDlg::apply_changes(HWND hDlg)
{
get_changed_parameters(hDlg);
save_custom_shader();
WinRefreshDisplay();
}