+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <search.h>
+
+#define WIN32_LEAN_AND_MEAN
+#define _WIN32_WINNT 0x0500
+#include <windows.h>
+#include <winbase.h>
+#include <winuser.h>
+
+#include "util.h"
+#include "sys.h"
+#include "wm.h"
+
+/* Internal structures */
+struct win_sys {
+ HWND hwnd;
+ state_t state;
+};
+
+typedef struct {
+ Key_t key;
+ int vk;
+} keymap_t;
+
+/* Global data */
+static int shellhookid;
+static void *cache;
+static win_t *root;
+
+/* Conversion functions */
+static keymap_t key2vk[] = {
+ {key_mouse1 , VK_LBUTTON },
+ {key_mouse2 , VK_MBUTTON },
+ {key_mouse3 , VK_RBUTTON },
+ {key_left , VK_LEFT },
+ {key_right , VK_RIGHT },
+ {key_up , VK_UP },
+ {key_down , VK_DOWN },
+ {key_home , VK_HOME },
+ {key_end , VK_END },
+ {key_pageup , VK_PRIOR },
+ {key_pagedown, VK_NEXT },
+ {key_f1 , VK_F1 },
+ {key_f2 , VK_F2 },
+ {key_f3 , VK_F3 },
+ {key_f4 , VK_F4 },
+ {key_f5 , VK_F5 },
+ {key_f6 , VK_F6 },
+ {key_f7 , VK_F7 },
+ {key_f8 , VK_F8 },
+ {key_f9 , VK_F9 },
+ {key_f10 , VK_F10 },
+ {key_f11 , VK_F11 },
+ {key_f12 , VK_F12 },
+ {key_shift , VK_SHIFT },
+ {key_shift , VK_LSHIFT },
+ {key_shift , VK_RSHIFT },
+ {key_ctrl , VK_CONTROL },
+ {key_ctrl , VK_LCONTROL},
+ {key_ctrl , VK_RCONTROL},
+ {key_alt , VK_MENU },
+ {key_alt , VK_LMENU },
+ {key_alt , VK_RMENU },
+ {key_win , VK_LWIN },
+ {key_win , VK_RWIN },
+};
+
+/* - Keycodes */
+static Key_t w2key(UINT vk)
+{
+ keymap_t *km = map_getr(key2vk,vk);
+ return km ? km->key : tolower(vk);
+}
+
+static UINT key2w(Key_t key)
+{
+ keymap_t *km = map_get(key2vk,key);
+ return km ? km->vk : toupper(key);
+}
+
+static mod_t getmod(void)
+{
+ return (mod_t){
+ .alt = GetKeyState(VK_MENU) < 0,
+ .ctrl = GetKeyState(VK_CONTROL) < 0,
+ .shift = GetKeyState(VK_SHIFT) < 0,
+ .win = GetKeyState(VK_LWIN) < 0 ||
+ GetKeyState(VK_RWIN) < 0,
+ };
+}
+
+/* - Pointers */
+static ptr_t getptr(void)
+{
+ POINT wptr;
+ GetCursorPos(&wptr);
+ return (ptr_t){-1, -1, wptr.x, wptr.y};
+}
+
+/* Helpers */
+static win_t *win_new(HWND hwnd, int checkwin)
+{
+ if (checkwin) {
+ char winclass[256];
+ int exstyle = GetWindowLong(hwnd, GWL_EXSTYLE);
+ GetClassName(hwnd, winclass, sizeof(winclass));
+ if (!IsWindowVisible(hwnd)) return NULL; // Invisible stuff..
+ if (!strcmp("#32770", winclass)) return NULL; // Message boxes
+ if (GetWindow(hwnd, GW_OWNER)) return NULL; // Dialog boxes, etc
+ if (exstyle & WS_EX_TOOLWINDOW) return NULL; // Floating toolbars
+ }
+
+ RECT rect = {};
+ GetWindowRect(hwnd, &rect);
+ win_t *win = new0(win_t);
+ win->x = rect.left;
+ win->y = rect.top;
+ win->w = rect.right - rect.left;
+ win->h = rect.bottom - rect.top;
+ win->sys = new0(win_sys_t);
+ win->sys->hwnd = hwnd;
+ printf("win_new: %p = %p (%d,%d %dx%d)\n", win, hwnd,
+ win->x, win->y, win->w, win->h);
+ return win;
+}
+
+static int win_cmp(const void *_a, const void *_b)
+{
+ const win_t *a = _a, *b = _b;
+ if (a->sys->hwnd < b->sys->hwnd) return -1;
+ if (a->sys->hwnd > b->sys->hwnd) return 1;
+ return 0;
+}
+
+static win_t *win_find(HWND hwnd, int create)
+{
+ if (!hwnd)
+ return NULL;
+ //printf("win_find: %p, %d\n", dpy, (int)xid);
+ win_sys_t sys = {.hwnd=hwnd};
+ win_t tmp = {.sys=&sys};
+ win_t **old = NULL, *new = NULL;
+ if ((old = tfind(&tmp, &cache, win_cmp)))
+ return *old;
+ if (create && (new = win_new(hwnd,1)))
+ tsearch(new, &cache, win_cmp);
+ return new;
+}
+
+static void win_remove(win_t *win)
+{
+ tdelete(win, &cache, win_cmp);
+ free(win->sys);
+ free(win);
+}
+
+static win_t *win_cursor(void)
+{
+ POINT wptr;
+ GetCursorPos(&wptr);
+ return win_find(GetAncestor(WindowFromPoint(wptr),GA_ROOT),0);
+}
+
+static win_t *win_focused(void)
+{
+ return win_find(GetForegroundWindow(),0);
+}
+
+/* Callbacks */
+LRESULT CALLBACK KbdProc(int msg, WPARAM wParam, LPARAM lParam)
+{
+ KBDLLHOOKSTRUCT *st = (KBDLLHOOKSTRUCT *)lParam;
+ Key_t key = w2key(st->vkCode);
+ mod_t mod = getmod();
+ mod.up = !!(st->flags & 0x80);
+ printf("KbdProc: %d,%x,%lx - %lx,%lx,%lx - %x,%x\n",
+ msg, wParam, lParam,
+ st->vkCode, st->scanCode, st->flags,
+ key, mod2int(mod));
+ return wm_handle_key(win_focused() ?: root, key, mod, getptr())
+ || CallNextHookEx(0, msg, wParam, lParam);
+}
+
+LRESULT CALLBACK MllProc(int msg, WPARAM wParam, LPARAM lParam)
+{
+ Key_t key = key_none;
+ mod_t mod = getmod();
+ win_t *win = win_cursor();
+
+ /* Update modifiers */
+ switch (wParam) {
+ case WM_LBUTTONDOWN: mod.up = 0; key = key_mouse1; break;
+ case WM_LBUTTONUP: mod.up = 1; key = key_mouse1; break;
+ case WM_RBUTTONDOWN: mod.up = 0; key = key_mouse3; break;
+ case WM_RBUTTONUP: mod.up = 1; key = key_mouse3; break;
+ }
+
+ /* Check for focus-in/focus-out */
+ static win_t *old = NULL;
+ if (win && win != old) {
+ wm_handle_key(old, key_leave, mod, getptr());
+ wm_handle_key(win, key_enter, mod, getptr());
+ }
+ old = win;
+
+ /* Send mouse movement event */
+ if (wParam == WM_MOUSEMOVE)
+ return wm_handle_ptr(win_cursor(), getptr());
+ else if (key != key_none)
+ return wm_handle_key(win_cursor(), key, mod, getptr());
+ else
+ return CallNextHookEx(0, msg, wParam, lParam);
+}
+
+LRESULT CALLBACK ShlProc(int msg, WPARAM wParam, LPARAM lParam)
+{
+ HWND hwnd = (HWND)wParam;
+ win_t *win = NULL;
+ switch (msg) {
+ case HSHELL_WINDOWCREATED:
+ case HSHELL_REDRAW:
+ printf("ShlProc: %p - %s\n", hwnd, msg == HSHELL_REDRAW ?
+ "redraw" : "window created");
+ if (!(win = win_find(hwnd,0)))
+ if ((win = win_find(hwnd,1)))
+ wm_insert(win);
+ return 1;
+ case HSHELL_WINDOWDESTROYED:
+ printf("ShlProc: %p - window destroyed\n", hwnd);
+ if ((win = win_find(hwnd,0)) &&
+ win->sys->state == st_show) {
+ wm_remove(win);
+ win_remove(win);
+ }
+ return 1;
+ case HSHELL_WINDOWACTIVATED:
+ printf("ShlProc: %p - window activated\n", hwnd);
+ return 0;
+ default:
+ printf("ShlProc: %p - unknown msg, %d\n", hwnd, msg);
+ return 0;
+ }
+}
+
+LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
+{
+ //printf("WndProc: %d, %x, %lx\n", msg, wParam, lParam);
+ switch (msg) {
+ case WM_CREATE: printf("WndProc: %p - create\n", hwnd); return 0;
+ case WM_CLOSE: printf("WndProc: %p - close\n", hwnd); return 0;
+ case WM_DESTROY: printf("WndProc: %p - destroy\n", hwnd); return 0;
+ case WM_HOTKEY: printf("WndProc: %p - hotkey\n", hwnd); return 0;
+ }
+ if (msg == shellhookid)
+ if (ShlProc(wParam, lParam, 0))
+ return 1;
+ return DefWindowProc(hwnd, msg, wParam, lParam);
+}
+
+/*****************
+ * Sys functions *
+ *****************/
+void sys_move(win_t *win, int x, int y, int w, int h)
+{
+ printf("sys_move: %p - %d,%d %dx%d\n", win, x, y, w, h);
+ win->x = x; win->y = y;
+ win->w = MAX(w,1); win->h = MAX(h,1);
+ MoveWindow(win->sys->hwnd, win->x, win->y, win->w, win->h, TRUE);
+}
+
+void sys_raise(win_t *win)
+{
+ printf("sys_raise: %p\n", win);
+ SetForegroundWindow(win->sys->hwnd);
+
+ //HWND hwnd = win->sys->hwnd;
+ //HWND top = GetAncestor(hwnd,GA_ROOT);
+ //SetWindowPos(top, HWND_TOPMOST, 0, 0, 0, 0,
+ // SWP_NOMOVE|SWP_NOSIZE|SWP_NOACTIVATE);
+}
+
+void sys_focus(win_t *win)
+{
+ printf("sys_focus: %p\n", win);
+
+ /* Windows prevents a thread from using SetForegroundInput under
+ * certain circumstnaces and instead flashes the windows toolbar icon.
+ * Attaching the htread input queues avoids this behavior */
+ DWORD oldId = GetWindowThreadProcessId(GetForegroundWindow(), NULL);
+ DWORD newId = GetWindowThreadProcessId(win->sys->hwnd, NULL);
+ AttachThreadInput(oldId, newId, TRUE);
+ SetForegroundWindow(win->sys->hwnd);
+ AttachThreadInput(oldId, newId, FALSE);
+}
+
+void sys_show(win_t *win, state_t state)
+{
+ static struct {
+ char *str;
+ int cmd;
+ } map[] = {
+ [st_show ] {"show" , SW_SHOW },
+ [st_full ] {"full" , SW_MAXIMIZE},
+ [st_shade] {"shade", SW_SHOW },
+ [st_icon ] {"icon" , SW_MINIMIZE},
+ [st_hide ] {"hide" , SW_HIDE },
+ };
+ win->sys->state = state;
+ printf("sys_show: %s\n", map[state].str);
+ ShowWindow(win->sys->hwnd, map[state].cmd);
+}
+
+void sys_watch(win_t *win, Key_t key, mod_t mod)
+{
+ (void)key2w; // TODO
+ //printf("sys_watch: %p\n", win);
+}
+
+void sys_unwatch(win_t *win, Key_t key, mod_t mod)
+{
+ (void)key2w; // TODO
+ //printf("sys_unwatch: %p\n", win);
+}
+
+BOOL CALLBACK Mon(HMONITOR mon, HDC dc, LPRECT rect, LPARAM _screens)
+{
+ MONITORINFO info = {.cbSize=sizeof(MONITORINFO)};
+ GetMonitorInfo(mon, &info);
+ RECT *work = &info.rcWork;
+
+ list_t **screens = (list_t**)_screens;
+ win_t *screen = new0(win_t);
+ screen->x = work->left;
+ screen->y = work->top;
+ screen->w = work->right - work->left;
+ screen->h = work->bottom - work->top;
+ *screens = list_append(*screens, screen);
+ printf("mon_proc: %d,%d %dx%d\n",
+ screen->x, screen->y, screen->w, screen->h);
+ return TRUE;
+}
+
+list_t *sys_info(win_t *win)
+{
+ list_t *screens = NULL;
+ EnumDisplayMonitors(NULL, NULL, Mon, (LPARAM)&screens);
+ return screens;
+}
+
+win_t *sys_init(void)
+{
+ HINSTANCE hInst = GetModuleHandle(NULL);
+ HWND hwnd = NULL;
+
+ /* Setup window class */
+ WNDCLASSEX wc = {
+ .cbSize = sizeof(WNDCLASSEX),
+ .lpfnWndProc = WndProc,
+ .hInstance = hInst,
+ .lpszClassName = "wmpus_class",
+ };
+ if (!RegisterClassEx(&wc))
+ printf("sys_init: Error Registering Class - %lu\n", GetLastError());
+
+ /* Get work area */
+ RECT rc;
+ SystemParametersInfo(SPI_GETWORKAREA, 0, &rc, 0);
+
+ /* Create shell hook window */
+ if (!(hwnd = CreateWindowEx(0, "wmpus_class", "wmpus", 0,
+ rc.left, rc.top, rc.right-rc.left, rc.bottom-rc.top,
+ HWND_MESSAGE, NULL, hInst, NULL)))
+ printf("sys_init: Error Creating Shell Hook Window - %lu\n", GetLastError());
+
+ /* Register shell hook */
+ BOOL (*RegisterShellHookWindow)(HWND) = (void*)GetProcAddress(
+ GetModuleHandle("USER32.DLL"), "RegisterShellHookWindow");
+ if (!RegisterShellHookWindow)
+ printf("sys_init: Error Finding RegisterShellHookWindow - %lu\n", GetLastError());
+ if (!RegisterShellHookWindow(hwnd))
+ printf("sys_init: Error Registering ShellHook Window - %lu\n", GetLastError());
+ shellhookid = RegisterWindowMessage("SHELLHOOK");
+
+ /* Input hooks */
+ SetWindowsHookEx(WH_KEYBOARD_LL, KbdProc, hInst, 0);
+ SetWindowsHookEx(WH_MOUSE_LL, MllProc, hInst, 0);
+ //SetWindowsHookEx(WH_SHELL, ShlProc, hInst, 0);
+
+ /* Alternate ways to get input */
+ //if (!RegisterHotKey(hwnd, 123, MOD_CONTROL, VK_LBUTTON))
+ // printf("sys_init: Error Registering Hotkey - %lu\n", GetLastError());
+ //if (!RegisterHotKey(NULL, 123, MOD_CONTROL, VK_LBUTTON))
+ // printf("sys_init: Error Registering Hotkey - %lu\n", GetLastError());
+
+ return root = win_new(hwnd,0);
+}
+
+void sys_run(win_t *root)
+{
+ MSG msg;
+ while (GetMessage(&msg, NULL, 0, 0) > 0) {
+ TranslateMessage(&msg);
+ DispatchMessage(&msg);
+ }
+}
projects / wmpus / blobdiff