Text Reader: refactoring

git-svn-id: svn://kolibrios.org@5980 a494cfbc-eb01-0410-851d-a64ba20cac60

programs/cmm/textreader/gui.h

@@ -0,0 +1,19 @@
+void DrawToolbarButton(char image_id, int x)
+{
+	DefineButton(x, 5, TOOLBAR_ICON_WIDTH-1, TOOLBAR_ICON_HEIGHT-1, 10+image_id + BT_HIDE, 0);
+	img_draw stdcall(skin.image, x, 5, TOOLBAR_ICON_WIDTH, TOOLBAR_ICON_HEIGHT, 0, image_id*TOOLBAR_ICON_HEIGHT);
+}
+
+
+void DrawScroller()
+{
+	scroll.max_area = list.count;
+	scroll.cur_area = list.visible;
+	scroll.position = list.first;
+	scroll.all_redraw = 0;
+	scroll.start_x = list.x + list.w;
+	scroll.start_y = list.y;
+	scroll.size_y = list.h;
+	scroll.start_x = list.x + list.w;
+	scrollbar_v_draw(#scroll);
+}

programs/cmm/textreader/prepare_page.h

@@ -0,0 +1,70 @@
+void PreparePage() 
+{
+	char line[4096]=0;
+	char char_width[255];
+	dword line_start;
+	byte ch;
+	dword bufoff;
+	dword line_length=30;
+	dword stroka_y = 5;
+	dword stroka=0;
+	int i, srch_pos;
+	
+	font.changeSIZE();
+	list.w = Form.cwidth-scroll.size_x-1;
+	//get font chars width, need to increase performance
+	for (i=0; i<256; i++) char_width[i] = font.symbol_size(i);
+	//get font buffer height
+	for (bufoff=io.buffer_data; ESBYTE[bufoff]; bufoff++)
+	{
+		ch = ESBYTE[bufoff];
+		line_length += char_width[ch];
+		if (line_length>=list.w) || (ch==10) {
+			srch_pos = bufoff;
+			loop()
+			{
+				if (__isWhite(ESBYTE[srch_pos])) { bufoff=srch_pos+1; break; } //normal word-break
+				if (srch_pos == line_start) break; //no white space found in whole line
+				srch_pos--;
+			}
+			line_start = bufoff;
+			line_length = 30;
+			stroka++;
+		}
+	}
+	//draw text in buffer
+	list.count = stroka+2;
+	list.SetSizes(0, TOOLBAR_H, list.w, Form.cheight-TOOLBAR_H, font.size.text+1);
+	if (list.count < list.visible) list.count = list.visible;
+
+	font.size.height = list.count+1*list.item_h;
+	font.buffer_size = 0;
+
+	line_length = 30;
+	line_start = io.buffer_data;
+	for (bufoff=io.buffer_data; ESBYTE[bufoff]; bufoff++)
+	{
+		ch = ESBYTE[bufoff];
+		line_length += char_width[ch];
+		if (line_length>=list.w) || (ch==10)
+		{
+			//set word break
+			srch_pos = bufoff;
+			loop()
+			{
+				if (__isWhite(ESBYTE[srch_pos])) { bufoff=srch_pos+1; break; } //normal word-break
+				if (srch_pos == line_start) break; //no white space found in whole line
+				srch_pos--;
+			}
+			i = bufoff-line_start;
+			strlcpy(#line, line_start, i);
+			font.prepare_buf(8,stroka_y,list.w,font.size.height, #line);
+			stroka_y += list.item_h;
+			line_start = bufoff;
+			line_length = 30;
+		}
+	}
+	font.prepare_buf(8,stroka_y,list.w,font.size.height, line_start);
+	SmoothFont(font.buffer, font.size.width, font.size.height);
+	DrawPage();
+}

programs/cmm/textreader/textreader.c

@@ -15,17 +15,11 @@
 #define TOOLBAR_ICON_WIDTH  26
 #define TOOLBAR_ICON_HEIGHT 24
 
-#define TOOLBAR_OPEN_FILE_LEFT       8
-#define TOOLBAR_MAGNIFY_PLUS_LEFT    42
-#define TOOLBAR_MAGNIFY_MINUS_LEFT   67
-#define TOOLBAR_CHANGE_ENCODING_LEFT 101
-#define TOOLBAR_RUN_EDIT_LEFT        135
-
 #define DEFAULT_FONT   "/sys/fonts/Tahoma.kf"
 #define DEFAULT_EDITOR "/sys/tinypad"
 
-#define INTRO_TEXT "This is a plain text reader.\nTry to open some text file."
+#define INTRO_TEXT "This is a plain Text Reader.\nTry to open some text file."
-#define VERSION "Text Reader v1.02"
+#define VERSION "Text Reader v1.03"
 #define ABOUT "Idea: Leency, punk_joker
 Code: Leency, Veliant, KolibriOS Team
 
@@ -49,10 +43,6 @@ char title[4196];
 
 byte help_opened = false;
 
-char char_width[255];
-dword line_offset;
-#define DWORD 4;
-
 enum {
 	OPEN_FILE,
 	MAGNIFY_MINUS,
@@ -64,6 +54,9 @@ enum {
 
 #include "ini.h"
 #include "menu.h"
+#include "gui.h"
+#include "prepare_page.h"
+
 
 void InitDlls()
 {
@@ -75,129 +68,6 @@ void InitDlls()
 	load_dll(Proc_lib,  #OpenDialog_init,0);
 }
 
-void EventShowInfo()
-{
-	ShowAbout();
-}
-
-void EventOpenFile()
-{
-	OpenDialog_start stdcall (#o_dialog);
-	OpenFile(#openfile_path);
-	PreparePage();
-}
-
-void EventMagnifyPlus()
-{
-	font.size.text++;
-	if(!font.changeSIZE())
-		font.size.text--;
-	else
-		PreparePage();
-}
-
-void EventMagnifyMinus()
-{
-	font.size.text--;
-	if(!font.changeSIZE())
-		font.size.text++;
-	else
-		PreparePage();
-}
-
-void EventRunEdit()
-{
-	io.run(DEFAULT_EDITOR, #param);
-}
-
-void EventChangeEncoding()
-{
-	CreateThread(#menu_rmb,#stak+4092);
-}
-
-void HandleMouseEvent()
-{
-	mouse.get();
-	list.wheel_size = 7;
-	if (list.MouseScroll(mouse.vert)) {
-		DrawPage(); 
-		return; 
-	}
-	scrollbar_v_mouse (#scroll);
-	if (list.first != scroll.position) {
-		list.first = scroll.position;
-		DrawPage(); 
-	}
-}
-
-void HandleKeyEvent()
-{
-	if (help_opened) {
-		help_opened = false;
-		DrawPage();
-		return; 
-	}
-	GetKeys();
-	if (key_scancode==059) {
-		EventShowInfo();
-		return;
-	}
-	if (key_modifier & KEY_LCTRL) || (key_modifier & KEY_RCTRL) {
-		switch (key_scancode)
-		{
-			case 024:
-				EventOpenFile();
-				break;
-			case SCAN_CODE_UP:
-				EventMagnifyPlus();
-				break;
-			case SCAN_CODE_DOWN:
-				EventMagnifyMinus();
-				break;
-			case 018:
-				EventRunEdit();
-				break;
-			case SCAN_CODE_TAB:
-				EventChangeEncoding();
-				break;
-		}
-		return;
-	}
-	if (list.ProcessKey(key_scancode))
-		DrawPage();
-}
-
-void HandleButtonEvent()
-{
-	
-	byte btn = GetButtonID();
-	if (btn==1) {
-		SaveIniSettings();
-		ExitProcess();
-	}
-	btn-=10;
-	switch(btn)
-	{
-		case OPEN_FILE:
-			EventOpenFile();
-			break;
-		case MAGNIFY_PLUS:
-			EventMagnifyPlus();
-			break;
-		case MAGNIFY_MINUS:
-			EventMagnifyMinus();
-			break;
-		case CHANGE_ENCODING:
-			EventChangeEncoding();
-			break;
-		case RUN_EDIT:
-			EventRunEdit();
-			break;
-		case SHOW_INFO:
-			EventShowInfo();
-			break;
-	}
-}
 
 void main()
 {   	
@@ -247,132 +117,141 @@ void main()
 	}
 }
 
-void draw_window()
+
+void HandleButtonEvent()
 {
-	DefineAndDrawWindow(Form.left,Form.top,Form.width,Form.height,0x73,0,#title);
-	GetProcessInfo(#Form, SelfInfo);
-	if (Form.status_window>2) return;
 	
-	if (Form.width  < 200) { MoveSize(OLD,OLD,200,OLD); return; }
+	byte btn = GetButtonID();
-	if (Form.height < 200) { MoveSize(OLD,OLD,OLD,200); return; }
+	if (btn==1) {
-	
+		SaveIniSettings();
-	DrawBar(0, 0, Form.cwidth, TOOLBAR_H - 1, 0xe1e1e1);
+		ExitProcess();
-	DrawBar(0, TOOLBAR_H - 1, Form.cwidth, 1, 0x7F7F7F);
+	}
-	
+	btn-=10;
-	DrawToolbarButton(OPEN_FILE,       TOOLBAR_OPEN_FILE_LEFT);
+	switch(btn)
-	DrawToolbarButton(MAGNIFY_PLUS,    TOOLBAR_MAGNIFY_PLUS_LEFT);
-	DrawToolbarButton(MAGNIFY_MINUS,   TOOLBAR_MAGNIFY_MINUS_LEFT);
-	DrawToolbarButton(CHANGE_ENCODING, TOOLBAR_CHANGE_ENCODING_LEFT);
-	DrawToolbarButton(RUN_EDIT,        TOOLBAR_RUN_EDIT_LEFT);
-	DrawToolbarButton(SHOW_INFO,       Form.cwidth - 34);
-	
-	if ((Form.cwidth-scroll.size_x-1 == list.w) && 
-		(Form.cheight-TOOLBAR_H == list.h) && 
-		(list.count) 
-	)
 	{
+		case OPEN_FILE:
+			EventOpenFile();
+			break;
+		case MAGNIFY_PLUS:
+			EventMagnifyPlus();
+			break;
+		case MAGNIFY_MINUS:
+			EventMagnifyMinus();
+			break;
+		case CHANGE_ENCODING:
+			EventChangeEncoding();
+			break;
+		case RUN_EDIT:
+			EventRunEdit();
+			break;
+		case SHOW_INFO:
+			EventShowInfo();
+			break;
+	}
+}
+
+
+void HandleKeyEvent()
+{
+	if (help_opened) {
+		help_opened = false;
 		DrawPage();
-	} else {
+		return; 
+	}
+	GetKeys();
+	if (key_scancode==059) {
+		EventShowInfo();
+		return;
+	}
+	if (key_modifier & KEY_LCTRL) || (key_modifier & KEY_RCTRL) {
+		switch (key_scancode)
+		{
+			case 024:
+				EventOpenFile();
+				break;
+			case SCAN_CODE_UP:
+				EventMagnifyPlus();
+				break;
+			case SCAN_CODE_DOWN:
+				EventMagnifyMinus();
+				break;
+			case 018:
+				EventRunEdit();
+				break;
+			case SCAN_CODE_TAB:
+				EventChangeEncoding();
+				break;
+		}
+		return;
+	}
+	if (list.ProcessKey(key_scancode))
+		DrawPage();
+}
+
+
+void HandleMouseEvent()
+{
+	mouse.get();
+	list.wheel_size = 7;
+	if (list.MouseScroll(mouse.vert)) {
+		DrawPage(); 
+		return; 
+	}
+	scrollbar_v_mouse (#scroll);
+	if (list.first != scroll.position) {
+		list.first = scroll.position;
+		DrawPage(); 
+	}
+}
+
+
+/* ----------------------------------------------------- */
+
+void EventOpenFile()
+{
+	OpenDialog_start stdcall (#o_dialog);
+	OpenFile(#openfile_path);
 	PreparePage();
-	}
-	DrawRectangle(scroll.start_x, scroll.start_y, scroll.size_x, scroll.size_y-1, scroll.bckg_col);
 }
 
-void DrawPage()
+void EventMagnifyPlus()
 {
-	_PutImage(list.x,list.y,list.w,list.h,list.first*list.item_h*list.w*3 + font.buffer);
+	font.size.text++;
-	DrawScroller();
+	if(!font.changeSIZE())
+		font.size.text--;
+	else
+		PreparePage();
 }
 
-void PreparePage() 
+void EventMagnifyMinus()
 {
-	char line[4096]=0;
+	font.size.text--;
-	dword line_start;
+	if(!font.changeSIZE())
-	byte ch;
+		font.size.text++;
-	dword bufoff;
+	else
-	dword line_length=30;
+		PreparePage();
-	dword stroka_y = 5;
-	dword stroka=0;
-	int i, srch_pos;
-	
-	font.changeSIZE();
-	list.w = Form.cwidth-scroll.size_x-1;
-	//get font chars width, need to increase performance
-	for (i=0; i<256; i++) char_width[i] = font.symbol_size(i);
-	//get font buffer height
-	for (bufoff=io.buffer_data; ESBYTE[bufoff]; bufoff++)
-	{
-		ch = ESBYTE[bufoff];
-		line_length += char_width[ch];
-		if (line_length>=list.w) || (ch==10) {
-			srch_pos = bufoff;
-			loop()
-			{
-				if (__isWhite(ESBYTE[srch_pos])) { bufoff=srch_pos+1; break; } //normal word-break
-				if (srch_pos == line_start) break; //no white space found in whole line
-				srch_pos--;
-			}
-			line_start = bufoff;
-			line_length = 30;
-			stroka++;
-		}
-	}
-	//draw text in buffer
-	list.count = stroka+2;
-	list.SetSizes(0, TOOLBAR_H, list.w, Form.cheight-TOOLBAR_H, font.size.text+1);
-	if (list.count < list.visible) list.count = list.visible;
-
-	font.size.height = list.count+1*list.item_h;
-	font.buffer_size = 0;
-
-	line_length = 30;
-	line_start = io.buffer_data;
-	for (bufoff=io.buffer_data; ESBYTE[bufoff]; bufoff++)
-	{
-		ch = ESBYTE[bufoff];
-		line_length += char_width[ch];
-		if (line_length>=list.w) || (ch==10)
-		{
-			//set word break
-			srch_pos = bufoff;
-			loop()
-			{
-				if (__isWhite(ESBYTE[srch_pos])) { bufoff=srch_pos+1; break; } //normal word-break
-				if (srch_pos == line_start) break; //no white space found in whole line
-				srch_pos--;
-			}
-			i = bufoff-line_start;
-			strlcpy(#line, line_start, i);
-			font.prepare_buf(8,stroka_y,list.w,font.size.height, #line);
-			stroka_y += list.item_h;
-			line_start = bufoff;
-			line_length = 30;
-		}
-	}
-	font.prepare_buf(8,stroka_y,list.w,font.size.height, line_start);
-	SmoothFont(font.buffer, font.size.width, font.size.height);
-	DrawPage();
 }
 
-void DrawToolbarButton(char image_id, int x)
+void EventRunEdit()
 {
-	DefineButton(x, 5, TOOLBAR_ICON_WIDTH-1, TOOLBAR_ICON_HEIGHT-1, 10+image_id + BT_HIDE, 0);
+	io.run(DEFAULT_EDITOR, #param);
-	img_draw stdcall(skin.image, x, 5, TOOLBAR_ICON_WIDTH, TOOLBAR_ICON_HEIGHT, 0, image_id*TOOLBAR_ICON_HEIGHT);
 }
 
-void DrawScroller()
+void EventChangeEncoding()
 {
-	scroll.max_area = list.count;
+	CreateThread(#menu_rmb,#stak+4092);
-	scroll.cur_area = list.visible;
-	scroll.position = list.first;
-	scroll.all_redraw = 0;
-	scroll.start_x = list.x + list.w;
-	scroll.start_y = list.y;
-	scroll.size_y = list.h;
-	scroll.start_x = list.x + list.w;
-	scrollbar_v_draw(#scroll);
 }
 
+void EventShowInfo() {
+	help_opened = true;
+	DrawBar(list.x, list.y, list.w, list.h, 0xFFFfff);
+	WriteText(list.x + 10, list.y + 10, 10000001b, 0x555555, VERSION);
+	WriteTextLines(list.x + 10, list.y+40, 10110000b, 0, ABOUT, 20);
+}
+
+/* ------------------------------------------- */
+
+
 void OpenFile(dword f_path) 
 {
 	int tmp;
@@ -392,9 +271,39 @@ void OpenFile(dword f_path)
 	list.ClearList();
 }
 
-ShowAbout() {
+void draw_window()
-	help_opened = true;
+{
-	DrawBar(list.x, list.y, list.w, list.h, 0xFFFfff);
+	DefineAndDrawWindow(Form.left,Form.top,Form.width,Form.height,0x73,0,#title);
-	WriteText(list.x + 10, list.y + 10, 10000001b, 0x555555, VERSION);
+	GetProcessInfo(#Form, SelfInfo);
-	WriteTextLines(list.x + 10, list.y+40, 10110000b, 0, ABOUT, 20);
+	if (Form.status_window>2) return;
+
+	if (Form.width  < 200) { MoveSize(OLD,OLD,200,OLD); return; }
+	if (Form.height < 200) { MoveSize(OLD,OLD,OLD,200); return; }
+	
+	DrawBar(0, 0, Form.cwidth, TOOLBAR_H - 1, 0xe1e1e1);
+	DrawBar(0, TOOLBAR_H - 1, Form.cwidth, 1, 0x7F7F7F);
+	
+	DrawToolbarButton(OPEN_FILE,       8);
+	DrawToolbarButton(MAGNIFY_PLUS,    42);
+	DrawToolbarButton(MAGNIFY_MINUS,   67);
+	DrawToolbarButton(CHANGE_ENCODING, 101);
+	DrawToolbarButton(RUN_EDIT,        135);
+	DrawToolbarButton(SHOW_INFO,       Form.cwidth - 34);
+	
+	if ((Form.cwidth-scroll.size_x-1 == list.w) && 
+		(Form.cheight-TOOLBAR_H == list.h) && 
+		(list.count) 
+	)
+	{
+		DrawPage(); 
+	} else {
+		PreparePage();
+	}
+	DrawRectangle(scroll.start_x, scroll.start_y, scroll.size_x, scroll.size_y-1, scroll.bckg_col);
+}
+
+void DrawPage()
+{
+	_PutImage(list.x,list.y,list.w,list.h,list.first*list.item_h*list.w*3 + font.buffer);
+	DrawScroller();
 }