Data commit

Task/Keyboard-macros/Wren/keyboard-macros-1.wren

@@ -0,0 +1,60 @@
+/* keyboard_macros.wren */
+
+var GrabModeAsync = 1
+var Mod1Mask      = 1 << 3
+var KeyPress      = 2
+
+var XK_F6 = 0xffc3
+var XK_F7 = 0xffc4
+
+foreign class XEvent {
+    construct new() {}
+
+    foreign eventType
+}
+
+foreign class XDisplay {
+    construct openDisplay(displayName) {}
+
+    foreign defaultRootWindow()
+
+    foreign grabKey(keycode, modifiers, grabWindow, ownerEvents, pointerMode, keyboardMode)
+
+    foreign ungrabKey(keycode, modifiers, grabWindow)
+
+    foreign keysymToKeycode(keysym)
+
+    foreign closeDisplay()
+
+    foreign nextEvent(eventReturn)
+}
+
+class X {
+    foreign static stringToKeysym(string)
+
+    foreign static lookupKeysym(keyEvent, index)
+}
+
+var xd = XDisplay.openDisplay("")
+if (xd == 0) {
+    System.print("Cannot open display.")
+    return
+}
+var drw = xd.defaultRootWindow()
+xd.grabKey(xd.keysymToKeycode(X.stringToKeysym("F7")), Mod1Mask, drw, true, GrabModeAsync, GrabModeAsync)
+xd.grabKey(xd.keysymToKeycode(X.stringToKeysym("F6")), Mod1Mask, drw, true, GrabModeAsync, GrabModeAsync)
+var e = XEvent.new()
+while (true) {
+    xd.nextEvent(e)
+    if (e.eventType == KeyPress) {
+        var s = X.lookupKeysym(e, 0)
+        if (s == XK_F7) {
+            System.print("something's happened.")
+        } else if (s == XK_F6) {
+            break
+        }
+    }
+}
+xd.ungrabKey(xd.keysymToKeycode(X.stringToKeysym("F7")), Mod1Mask, drw)
+xd.ungrabKey(xd.keysymToKeycode(X.stringToKeysym("F6")), Mod1Mask, drw)
+xd.closeDisplay()

Task/Keyboard-macros/Wren/keyboard-macros-2.wren

@@ -0,0 +1,176 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <X11/Xlib.h>
+#include "wren.h"
+
+/* C <=> Wren interface functions */
+
+void C_displayAllocate(WrenVM* vm) {
+    Display** pdisplay = (Display**)wrenSetSlotNewForeign(vm, 0, 0, sizeof(Display*));
+    const char *displayName = wrenGetSlotString(vm, 1);
+    if (displayName == "") {
+        *pdisplay = XOpenDisplay(NULL);
+    } else {
+        *pdisplay = XOpenDisplay(displayName);
+    }
+}
+
+void C_eventAllocate(WrenVM* vm) {
+    wrenSetSlotNewForeign(vm, 0, 0, sizeof(XEvent));
+}
+
+void C_eventType(WrenVM* vm) {
+    XEvent e = *(XEvent *)wrenGetSlotForeign(vm, 0);
+    wrenSetSlotDouble(vm, 0, (double)e.type);
+}
+
+void C_defaultRootWindow(WrenVM* vm) {
+    Display* display = *(Display**)wrenGetSlotForeign(vm, 0);
+    Window w = DefaultRootWindow(display);
+    wrenSetSlotDouble(vm, 0, (double)w);
+}
+
+void C_grabKey(WrenVM* vm) {
+    Display* display = *(Display**)wrenGetSlotForeign(vm, 0);
+    int keycode = (int)wrenGetSlotDouble(vm, 1);
+    unsigned int modifiers = (unsigned int)wrenGetSlotDouble(vm, 2);
+    Window w = (Window)wrenGetSlotDouble(vm, 3);
+    Bool owner_events = (Bool)wrenGetSlotBool(vm, 4);
+    int pointer_mode = (int)wrenGetSlotDouble(vm, 5);
+    int keyboard_mode = (int)wrenGetSlotDouble(vm, 6);
+    XGrabKey(display, keycode, modifiers, w, owner_events, pointer_mode, keyboard_mode);
+}
+
+void C_ungrabKey(WrenVM* vm) {
+    Display* display = *(Display**)wrenGetSlotForeign(vm, 0);
+    int keycode = (int)wrenGetSlotDouble(vm, 1);
+    unsigned int modifiers = (unsigned int)wrenGetSlotDouble(vm, 2);
+    Window w = (Window)wrenGetSlotDouble(vm, 3);
+    XUngrabKey(display, keycode, modifiers, w);
+}
+
+void C_keysymToKeycode(WrenVM* vm) {
+    Display* display = *(Display**)wrenGetSlotForeign(vm, 0);
+    KeySym k = (KeySym)wrenGetSlotDouble(vm, 1);
+    KeyCode code = XKeysymToKeycode(display, k);
+    wrenSetSlotDouble(vm, 0, (double)code);
+}
+
+void C_closeDisplay(WrenVM* vm) {
+    Display* display = *(Display**)wrenGetSlotForeign(vm, 0);
+    XCloseDisplay(display);
+}
+
+void C_nextEvent(WrenVM* vm) {
+   Display* display = *(Display**)wrenGetSlotForeign(vm, 0);
+   XEvent* pe = (XEvent*)wrenGetSlotForeign(vm, 1);
+   XNextEvent(display, pe);
+}
+
+void C_stringToKeysym(WrenVM* vm) {
+    char *string = (char *)wrenGetSlotString(vm, 1);
+    KeySym k = XStringToKeysym(string);
+    wrenSetSlotDouble(vm, 0, (double)k);
+}
+
+void C_lookupKeysym(WrenVM* vm) {
+    XKeyEvent *pke = (XKeyEvent*)wrenGetSlotForeign(vm, 1);
+    int index = (int)wrenGetSlotDouble(vm, 2);
+    KeySym k = XLookupKeysym(pke, index);
+    wrenSetSlotDouble(vm, 0, (double)k);
+}
+
+WrenForeignClassMethods bindForeignClass(WrenVM* vm, const char* module, const char* className) {
+    WrenForeignClassMethods methods;
+    methods.finalize = NULL;
+    if (strcmp(className, "XDisplay") == 0) {
+        methods.allocate = C_displayAllocate;
+    } else if (strcmp(className, "XEvent") == 0) {
+        methods.allocate = C_eventAllocate;
+    } else {
+        methods.allocate = NULL;
+    }
+    return methods;
+}
+
+WrenForeignMethodFn bindForeignMethod(
+    WrenVM* vm,
+    const char* module,
+    const char* className,
+    bool isStatic,
+    const char* signature) {
+    if (strcmp(module, "main") == 0) {
+        if (strcmp(className, "XEvent") == 0) {
+            if (!isStatic && strcmp(signature, "eventType") == 0)              return C_eventType;
+        } else if (strcmp(className, "XDisplay") == 0) {
+            if (!isStatic && strcmp(signature, "defaultRootWindow()") == 0)    return C_defaultRootWindow;
+            if (!isStatic && strcmp(signature, "grabKey(_,_,_,_,_,_)") == 0)   return C_grabKey;
+            if (!isStatic && strcmp(signature, "ungrabKey(_,_,_)") == 0)       return C_ungrabKey;
+            if (!isStatic && strcmp(signature, "keysymToKeycode(_)") == 0)     return C_keysymToKeycode;
+            if (!isStatic && strcmp(signature, "closeDisplay()") == 0)         return C_closeDisplay;
+            if (!isStatic && strcmp(signature, "nextEvent(_)") == 0)           return C_nextEvent;
+        } else if (strcmp(className, "X") == 0) {
+            if (isStatic && strcmp(signature, "stringToKeysym(_)") == 0)       return C_stringToKeysym;
+            if (isStatic && strcmp(signature, "lookupKeysym(_,_)") == 0)       return C_lookupKeysym;
+        }
+    }
+    return NULL;
+}
+
+static void writeFn(WrenVM* vm, const char* text) {
+    printf("%s", text);
+}
+
+void errorFn(WrenVM* vm, WrenErrorType errorType, const char* module, const int line, const char* msg) {
+    switch (errorType) {
+        case WREN_ERROR_COMPILE:
+            printf("[%s line %d] [Error] %s\n", module, line, msg);
+            break;
+        case WREN_ERROR_STACK_TRACE:
+            printf("[%s line %d] in %s\n", module, line, msg);
+            break;
+        case WREN_ERROR_RUNTIME:
+            printf("[Runtime Error] %s\n", msg);
+            break;
+    }
+}
+
+char *readFile(const char *fileName) {
+    FILE *f = fopen(fileName, "r");
+    fseek(f, 0, SEEK_END);
+    long fsize = ftell(f);
+    rewind(f);
+    char *script = malloc(fsize + 1);
+    fread(script, 1, fsize, f);
+    fclose(f);
+    script[fsize] = 0;
+    return script;
+}
+
+int main(int argc, char **argv) {
+    WrenConfiguration config;
+    wrenInitConfiguration(&config);
+    config.writeFn = &writeFn;
+    config.errorFn = &errorFn;
+    config.bindForeignClassFn = &bindForeignClass;
+    config.bindForeignMethodFn = &bindForeignMethod;
+    WrenVM* vm = wrenNewVM(&config);
+    const char* module = "main";
+    const char* fileName = "keyboard_macros.wren";
+    char *script = readFile(fileName);
+    WrenInterpretResult result = wrenInterpret(vm, module, script);
+    switch (result) {
+        case WREN_RESULT_COMPILE_ERROR:
+            printf("Compile Error!\n");
+            break;
+        case WREN_RESULT_RUNTIME_ERROR:
+            printf("Runtime Error!\n");
+            break;
+        case WREN_RESULT_SUCCESS:
+            break;
+    }
+    wrenFreeVM(vm);
+    free(script);
+    return 0;
+}