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/* Starshatter: The Open Source Project
Copyright (c) 2021-2022, Starshatter: The Open Source Project Contributors
Copyright (c) 2011-2012, Starshatter OpenSource Distribution Contributors
Copyright (c) 1997-2006, Destroyer Studios LLC.
*/
#include "WndProc.h"
#include "GameWinDX9.h"
#include "Keyboard.h"
#include "Mouse.h"
#include "Types.h"
#ifndef WM_MOUSEWHEEL
#define WM_MOUSEWHEEL 0x20A
#endif
static struct {
bool maximized = false;
bool minimized = false;
} window_state;
LRESULT CALLBACK
WndProc(HWND hwnd, UINT message, WPARAM uParam, LPARAM lParam)
{
auto game = GameWinDX9::GetInstance();
switch (message) {
case WM_SYSKEYDOWN:
if (uParam == VK_TAB || uParam == VK_F4)
return DefWindowProc(hwnd, message, uParam, lParam);
return 0;
case WM_MENUCHAR:
return MNC_CLOSE << 16;
case WM_ACTIVATEAPP:
// Keep track of whether or not the app is in the foreground
if (game)
game->Activate(uParam?true:false);
break;
case WM_PAINT:
return DefWindowProc(hwnd, message, uParam, lParam);
case WM_SETCURSOR:
// hide the windows mouse cursor
SetCursor(NULL);
return 1;
case WM_ENTERSIZEMOVE:
// Halt frame movement while the app is sizing or moving
if (game)
game->Pause(true);
break;
case WM_SIZE:
// Pick up possible changes to window style due to maximize, etc.
if (game && game->hwnd != NULL ) {
game->window_style = GetWindowLong(game->hwnd, GWL_STYLE );
if (uParam == SIZE_MINIMIZED) {
game->Pause(true);
window_state.minimized = true;
window_state.maximized = false;
}
else if (uParam == SIZE_MAXIMIZED) {
if (window_state.minimized)
game->Pause(false);
window_state.minimized = false;
window_state.maximized = true;
game->ResizeVideo();
}
else if (uParam == SIZE_RESTORED) {
if (window_state.maximized) {
window_state.maximized = false;
game->ResizeVideo();
}
else if (window_state.minimized) {
game->Pause(false);
window_state.minimized = false;
game->ResizeVideo();
}
else {
// If we're neither maximized nor minimized, the window size
// is changing by the user dragging the window edges. In this
// case, we don't reset the device yet -- we wait until the
// user stops dragging, and a WM_EXITSIZEMOVE message comes.
}
}
}
break;
case WM_EXITSIZEMOVE:
if (game) {
game->Pause(false);
game->ResizeVideo();
}
break;
case WM_ENTERMENULOOP:
if (game)
game->Pause(true);
break;
case WM_EXITMENULOOP:
if (game)
game->Pause(false);
break;
case WM_KEYDOWN:
BufferKey(uParam);
return 0;
case WM_DESTROY:
PostQuitMessage(0);
break;
case WM_MOUSEMOVE:
Mouse::x = LOWORD(lParam);
Mouse::y = HIWORD(lParam);
break;
case WM_LBUTTONDOWN:
Mouse::l = 1;
break;
case WM_LBUTTONDBLCLK:
Mouse::l = 2;
break;
case WM_LBUTTONUP:
Mouse::l = 0;
break;
case WM_MBUTTONDOWN:
Mouse::m = 1;
break;
case WM_MBUTTONDBLCLK:
Mouse::m = 2;
break;
case WM_MBUTTONUP:
Mouse::m = 0;
break;
case WM_RBUTTONDOWN:
Mouse::r = 1;
break;
case WM_RBUTTONDBLCLK:
Mouse::r = 2;
break;
case WM_RBUTTONUP:
Mouse::r = 0;
break;
case WM_MOUSEWHEEL:
{
int w = (int) (uParam >> 16);
if (w > 32000) w -= 65536;
Mouse::w += w;
}
break;
case WM_CLOSE:
if (game) // && game->Server())
game->Exit();
break;
default:
return DefWindowProc(hwnd, message, uParam, lParam);
}
return 0;
}
const int MAX_KEY_BUF = 512;
static int vkbuf[MAX_KEY_BUF];
static int vkshiftbuf[MAX_KEY_BUF];
static int vkins = 0;
static int vkext = 0;
void
FlushKeys()
{
Keyboard::FlushKeys();
vkins = vkext = 0;
}
void
BufferKey(int vkey)
{
if (vkey < 1) return;
int shift = 0;
if (GetAsyncKeyState(VK_SHIFT))
shift |= 1;
if (GetAsyncKeyState(VK_CONTROL))
shift |= 2;
if (GetAsyncKeyState(VK_MENU))
shift |= 4;
vkbuf[vkins] = vkey;
vkshiftbuf[vkins++] = shift;
if (vkins >= MAX_KEY_BUF)
vkins = 0;
if (vkins == vkext) {
vkext++;
if (vkext >= MAX_KEY_BUF)
vkext = 0;
}
}
int
GetKey()
{
if (vkins == vkext) return 0;
int result = vkbuf[vkext++];
if (vkext >= MAX_KEY_BUF)
vkext = 0;
return result;
}
int
GetKeyPlus(int& key, int& shift)
{
if (vkins == vkext) return 0;
key = vkbuf[vkext];
shift = vkshiftbuf[vkext++];
if (vkext >= MAX_KEY_BUF)
vkext = 0;
return key;
}
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