Merge pull request #595 from houqp/new_ui_code

some minor tweaks before introducing gesture detection module

frontend/document/credocument.lua

@@ -34,7 +34,7 @@ function CreDocument:engineInit()
 			if _v ~= "Dingbats.cff" and _v ~= "StandardSymL.cff" then
 				local ok, err = pcall(cre.registerFont, Font.fontdir..'/'.._v)
 				if not ok then
-					Debug(err)
+					DEBUG(err)
 				end
 			end
 		end

frontend/document/document.lua

@@ -203,7 +203,7 @@ end
 function Document:drawCurrentView(target, x, y, rect, pos)
 	self._document:gotoPos(pos)
 	tile_bb = Blitbuffer.new(rect.w, rect.h)
-	self._document:drawCurrentView(tile_bb)
+	self._document:drawCurrentPage(tile_bb)
 	target:blitFrom(tile_bb, x, y, 0, 0, rect.w, rect.h)
 end
 

input.c

@@ -56,7 +56,7 @@ void slider_handler(int sig)
 	}
 }
 #else
-pid_t emu_event_pid = -1;
+int is_in_touch = 0;
 
 static inline void genEmuEvent(lua_State *L, int fd, int type, int code, int value) {
 	struct input_event input;
@@ -224,11 +224,34 @@ static int closeInputDevices(lua_State *L) {
 #endif
 }
 
+static inline void set_event_table(lua_State *L, struct input_event input) {
+	lua_newtable(L);
+	lua_pushstring(L, "type");
+	lua_pushinteger(L, (int) input.type);
+	lua_settable(L, -3);
+	lua_pushstring(L, "code");
+	lua_pushinteger(L, (int) input.code);
+	lua_settable(L, -3);
+	lua_pushstring(L, "value");
+	lua_pushinteger(L, (int) input.value);
+	lua_settable(L, -3);
+
+	lua_pushstring(L, "time");
+	lua_newtable(L);
+	lua_pushstring(L, "sec");
+	lua_pushinteger(L, (int) input.time.tv_sec);
+	lua_settable(L, -3);
+	lua_pushstring(L, "usec");
+	lua_pushinteger(L, (int) input.time.tv_usec);
+	lua_settable(L, -3);
+	lua_settable(L, -3);
+}
+
 static int waitForInput(lua_State *L) {
 	struct input_event input;
 	int n;
-#ifndef EMULATE_READER
 	int usecs = luaL_optint(L, 1, -1); // we check for <0 later
+#ifndef EMULATE_READER
 	fd_set fds;
 	struct timeval timeout;
 	int i, num, nfds;
@@ -259,16 +282,7 @@ static int waitForInput(lua_State *L) {
 		if(inputfds[i] != -1 && FD_ISSET(inputfds[i], &fds)) {
 			n = read(inputfds[i], &input, sizeof(struct input_event));
 			if(n == sizeof(struct input_event)) {
-				lua_newtable(L);
-				lua_pushstring(L, "type");
-				lua_pushinteger(L, (int) input.type);
-				lua_settable(L, -3);
-				lua_pushstring(L, "code");
-				lua_pushinteger(L, (int) input.code);
-				lua_settable(L, -3);
-				lua_pushstring(L, "value");
-				lua_pushinteger(L, (int) input.value);
-				lua_settable(L, -3);
+				set_event_table(L, input);
 				return 1;
 			}
 		}
@@ -280,20 +294,21 @@ static int waitForInput(lua_State *L) {
 		/* so far we only use inputfds[0] in emu mode */
 		n = read(inputfds[0], &input, sizeof(struct input_event));
 		if(n == sizeof(struct input_event)) {
-			lua_newtable(L);
-			lua_pushstring(L, "type");
-			lua_pushinteger(L, (int) input.type);
-			lua_settable(L, -3);
-			lua_pushstring(L, "code");
-			lua_pushinteger(L, (int) input.code);
-			lua_settable(L, -3);
-			lua_pushstring(L, "value");
-			lua_pushinteger(L, (int) input.value);
-			lua_settable(L, -3);
+			set_event_table(L, input);
 			return 1;
 		}
 
-		SDL_WaitEvent(&event);
+		int ticks = SDL_GetTicks();
+		if (usecs < 0)
+			SDL_WaitEvent(&event);
+		else {
+			while (SDL_GetTicks()-ticks <= usecs/1000) {
+				if (SDL_PollEvent(&event)) break;
+				SDL_Delay(10);
+			}
+			if (SDL_GetTicks()-ticks > usecs/1000)
+				return luaL_error(L, "Waiting for input failed: timeout\n");
+		}
 		switch(event.type) {
 			case SDL_KEYDOWN:
 				genEmuEvent(L, inputfds[0], EV_KEY, event.key.keysym.scancode, 1);
@@ -302,20 +317,26 @@ static int waitForInput(lua_State *L) {
 				genEmuEvent(L, inputfds[0], EV_KEY, event.key.keysym.scancode, 0);
 				break;
 			case SDL_MOUSEMOTION:
-				/* ignore move motion here, we might use it for other
-				 * gesture in future. */
-				/*printf("Mouse moved by %d,%d to (%d,%d)\n", */
-					   /*event.motion.xrel, event.motion.yrel,*/
-					   /*event.motion.x, event.motion.y);*/
+				if (is_in_touch) {
+					if (event.motion.xrel != 0)
+						genEmuEvent(L, inputfds[0], EV_ABS, ABS_MT_POSITION_X, event.button.x);
+					if (event.motion.yrel != 0)
+						genEmuEvent(L, inputfds[0], EV_ABS, ABS_MT_POSITION_Y, event.button.y);
+					genEmuEvent(L, inputfds[0], EV_SYN, SYN_REPORT, 0);
+				}
+				break;
+			case SDL_MOUSEBUTTONUP:
+				is_in_touch = 0;
+				genEmuEvent(L, inputfds[0], EV_ABS, ABS_MT_TRACKING_ID, -1);
+				genEmuEvent(L, inputfds[0], EV_SYN, SYN_REPORT, 0);
 				break;
 			case SDL_MOUSEBUTTONDOWN:
 				/* use mouse click to simulate single tap */
+				is_in_touch = 1;
 				genEmuEvent(L, inputfds[0], EV_ABS, ABS_MT_TRACKING_ID, 0);
 				genEmuEvent(L, inputfds[0], EV_ABS, ABS_MT_POSITION_X, event.button.x);
 				genEmuEvent(L, inputfds[0], EV_ABS, ABS_MT_POSITION_Y, event.button.y);
 				genEmuEvent(L, inputfds[0], EV_SYN, SYN_REPORT, 0);
-				genEmuEvent(L, inputfds[0], EV_ABS, ABS_MT_TRACKING_ID, -1);
-				genEmuEvent(L, inputfds[0], EV_SYN, SYN_REPORT, 0);
 				/*printf("Mouse button %d pressed at (%d,%d)\n",*/
 					   /*event.button.button, event.button.x, event.button.y);*/
 				break;