forked from KolibriOS/kolibrios
408 lines
8.8 KiB
C
408 lines
8.8 KiB
C
#define MEMSIZE 4096*20
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#include "../lib/font.h"
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#include "../lib/io.h"
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#include "../lib/gui.h"
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#include "../lib/list_box.h"
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#include "../lib/obj/box_lib.h"
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#include "../lib/obj/libini.h"
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#include "../lib/obj/iconv.h"
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#include "../lib/obj/proc_lib.h"
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#include "../lib/patterns/libimg_load_skin.h"
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#include "../lib/patterns/simple_open_dialog.h"
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#define TOOLBAR_H 34
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#define TOOLBAR_ICON_WIDTH 26
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#define TOOLBAR_ICON_HEIGHT 24
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#define TOOLBAR_OPEN_FILE_LEFT 8
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#define TOOLBAR_MAGNIFY_PLUS_LEFT 42
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#define TOOLBAR_MAGNIFY_MINUS_LEFT 67
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#define TOOLBAR_CHANGE_ENCODING_LEFT 101
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#define TOOLBAR_RUN_EDIT_LEFT 135
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#define DEFAULT_FONT "/sys/fonts/Tahoma.kf"
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#define DEFAULT_EDITOR "/sys/tinypad"
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#define INTRO_TEXT "This is a plain text reader.\nTry to open some text file."
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char default_dir[] = "/rd/1";
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od_filter filter2 = {0,0};
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scroll_bar scroll = { 15,200,398,44,0,2,115,15,0,0xeeeeee,0xBBBbbb,0xeeeeee,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1};
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llist list;
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proc_info Form;
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char title[4196];
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byte help_opened = false;
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char char_width[255];
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dword line_offset;
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#define DWORD 4;
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enum {
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OPEN_FILE = 10,
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MAGNIFY_MINUS,
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MAGNIFY_PLUS,
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CHANGE_ENCODING,
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RUN_EDIT,
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SHOW_INFO,
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};
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#include "ini.h"
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#include "menu.h"
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void InitDlls()
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{
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load_dll(boxlib, #box_lib_init, 0);
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load_dll(libio, #libio_init, 1);
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load_dll(libimg, #libimg_init, 1);
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load_dll(libini, #lib_init, 1);
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load_dll(iconv_lib, #iconv_open, 0);
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load_dll(Proc_lib, #OpenDialog_init,0);
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}
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void EventShowInfo()
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{
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ShowAbout();
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}
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void EventOpenFile()
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{
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OpenDialog_start stdcall (#o_dialog);
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OpenFile(#openfile_path);
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PreparePage();
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}
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void EventMagnifyPlus()
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{
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font.size.text++;
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if(!font.changeSIZE())
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font.size.text--;
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else
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PreparePage();
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}
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void EventMagnifyMinus()
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{
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font.size.text--;
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if(!font.changeSIZE())
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font.size.text++;
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else
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PreparePage();
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}
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void EventRunEdit()
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{
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io.run(DEFAULT_EDITOR, #param);
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}
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void EventChangeEncoding()
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{
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CreateThread(#menu_rmb,#stak+4092);
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}
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void HandleMouseEvent()
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{
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mouse.get();
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list.wheel_size = 7;
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if (list.MouseScroll(mouse.vert)) {
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DrawPage();
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return;
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}
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scrollbar_v_mouse (#scroll);
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if (list.first != scroll.position) {
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list.first = scroll.position;
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DrawPage();
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}
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}
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void HandleKeyEvent()
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{
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if (help_opened) {
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help_opened = false;
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DrawPage();
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return;
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}
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GetKeys();
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if (key_scancode==059) {
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EventShowInfo();
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return;
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}
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if (key_modifier & KEY_LCTRL) || (key_modifier & KEY_RCTRL) {
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switch (key_scancode)
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{
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case 024:
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EventOpenFile();
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break;
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case SCAN_CODE_UP:
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EventMagnifyPlus();
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break;
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case SCAN_CODE_DOWN:
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EventMagnifyMinus();
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break;
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case 018:
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EventRunEdit();
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break;
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case SCAN_CODE_TAB:
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EventChangeEncoding();
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break;
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}
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return;
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}
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if (list.ProcessKey(key_scancode))
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DrawPage();
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}
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void HandleButtonEvent()
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{
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byte btn = GetButtonID();
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if (btn==1) {
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SaveIniSettings();
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ExitProcess();
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}
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btn-=10;
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switch(btn)
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{
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case OPEN_FILE:
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EventOpenFile();
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break;
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case MAGNIFY_PLUS:
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EventMagnifyPlus();
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break;
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case MAGNIFY_MINUS:
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EventMagnifyMinus();
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break;
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case CHANGE_ENCODING:
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EventChangeEncoding();
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break;
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case RUN_EDIT:
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EventRunEdit();
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break;
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case SHOW_INFO:
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EventShowInfo();
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break;
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}
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}
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void main()
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{
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InitDlls();
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OpenDialog_init stdcall (#o_dialog);
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font.no_bg_copy = true;
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font.color = 0;
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font.bg_color = 0xFFFFFF;
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font.load(DEFAULT_FONT);
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if (!font.data) {
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io.run("/sys/@notify","'Error: Font is not loaded.' -E");
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ExitProcess();
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}
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Libimg_LoadImage(#skin, abspath("toolbar.png"));
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LoadIniSettings();
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OpenFile(#param);
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list.no_selection = true;
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SetEventMask(10000000000000000000000001100111b);
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loop()
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{
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switch(WaitEvent())
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{
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case evMouse:
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HandleMouseEvent();
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break;
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case evKey:
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HandleKeyEvent();
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break;
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case evButton:
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HandleButtonEvent();
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break;
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case evReDraw:
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if (action_buf) {
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OpenFile(#param);
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PreparePage();
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action_buf = false;
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};
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draw_window();
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}
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}
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}
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void draw_window()
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{
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DefineAndDrawWindow(Form.left,Form.top,Form.width,Form.height,0x73,0,#title);
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GetProcessInfo(#Form, SelfInfo);
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if (Form.status_window>2) return;
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if (Form.width < 200) { MoveSize(OLD,OLD,200,OLD); return; }
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if (Form.height < 200) { MoveSize(OLD,OLD,OLD,200); return; }
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DrawBar(0, 0, Form.cwidth, TOOLBAR_H - 1, 0xe1e1e1);
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DrawBar(0, TOOLBAR_H - 1, Form.cwidth, 1, 0x7F7F7F);
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DrawToolbarButton(OPEN_FILE, TOOLBAR_OPEN_FILE_LEFT);
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DrawToolbarButton(MAGNIFY_PLUS, TOOLBAR_MAGNIFY_PLUS_LEFT);
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DrawToolbarButton(MAGNIFY_MINUS, TOOLBAR_MAGNIFY_MINUS_LEFT);
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DrawToolbarButton(CHANGE_ENCODING, TOOLBAR_CHANGE_ENCODING_LEFT);
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DrawToolbarButton(RUN_EDIT, TOOLBAR_RUN_EDIT_LEFT);
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DrawToolbarButton(SHOW_INFO, Form.cwidth - 34);
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if ((Form.cwidth-scroll.size_x-1 == list.w) &&
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(Form.cheight-TOOLBAR_H == list.h) &&
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(list.count)
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)
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{
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DrawPage();
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} else {
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PreparePage();
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}
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DrawRectangle(scroll.start_x, scroll.start_y, scroll.size_x, scroll.size_y-1, scroll.bckg_col);
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}
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void DrawPage()
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{
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_PutImage(list.x,list.y,list.w,list.h,list.first*list.item_h*list.w*3 + font.buffer);
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DrawScroller();
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}
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void PreparePage()
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{
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char line[4096]=0;
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dword line_start;
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byte ch;
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dword bufoff;
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dword line_length=30;
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dword stroka_y = 5;
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dword stroka=0;
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int i, srch_pos;
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font.changeSIZE();
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list.w = Form.cwidth-scroll.size_x-1;
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//get font chars width, need to increase performance
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for (i=0; i<256; i++) char_width[i] = font.symbol_size(i);
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//get font buffer height
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for (bufoff=io.buffer_data; ESBYTE[bufoff]; bufoff++)
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{
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ch = ESBYTE[bufoff];
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line_length += char_width[ch];
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if (line_length>=list.w) || (ch==10) {
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srch_pos = bufoff;
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loop()
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{
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if (__isWhite(ESBYTE[srch_pos])) { bufoff=srch_pos+1; break; } //normal word-break
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if (srch_pos == line_start) break; //no white space found in whole line
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srch_pos--;
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}
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line_start = bufoff;
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line_length = 30;
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stroka++;
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}
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}
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//draw text in buffer
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list.count = stroka+2;
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list.SetSizes(0, TOOLBAR_H, list.w, Form.cheight-TOOLBAR_H, font.size.text+1);
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if (list.count < list.visible) list.count = list.visible;
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font.size.height = list.count+1*list.item_h;
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font.buffer_size = 0;
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line_length = 30;
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line_start = io.buffer_data;
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for (bufoff=io.buffer_data; ESBYTE[bufoff]; bufoff++)
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{
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ch = ESBYTE[bufoff];
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line_length += char_width[ch];
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if (line_length>=list.w) || (ch==10)
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{
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//set word break
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srch_pos = bufoff;
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loop()
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{
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if (__isWhite(ESBYTE[srch_pos])) { bufoff=srch_pos+1; break; } //normal word-break
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if (srch_pos == line_start) break; //no white space found in whole line
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srch_pos--;
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}
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i = bufoff-line_start;
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strlcpy(#line, line_start, i);
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font.prepare_buf(8,stroka_y,list.w,font.size.height, #line);
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stroka_y += list.item_h;
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line_start = bufoff;
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line_length = 30;
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}
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}
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font.prepare_buf(8,stroka_y,list.w,font.size.height, line_start);
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SmoothFont(font.buffer, font.size.width, font.size.height);
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DrawPage();
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}
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void DrawToolbarButton(char image_id, int x)
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{
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DefineButton(x, 5, TOOLBAR_ICON_WIDTH-1, TOOLBAR_ICON_HEIGHT-1, 10+image_id + BT_HIDE, 0);
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img_draw stdcall(skin.image, x, 5, TOOLBAR_ICON_WIDTH, TOOLBAR_ICON_HEIGHT, 0, image_id*TOOLBAR_ICON_HEIGHT);
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}
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void DrawScroller()
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{
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scroll.max_area = list.count;
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scroll.cur_area = list.visible;
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scroll.position = list.first;
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scroll.all_redraw = 0;
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scroll.start_x = list.x + list.w;
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scroll.start_y = list.y;
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scroll.size_y = list.h;
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scroll.start_x = list.x + list.w;
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scrollbar_v_draw(#scroll);
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}
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void OpenFile(dword f_path)
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{
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int tmp;
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if (ESBYTE[f_path]) {
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strcpy(#param, f_path);
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io.read(#param);
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strcpy(#title, #param);
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strcat(#title, " - Text Reader");
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}
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else {
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if (list.count) return;
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io.buffer_data = INTRO_TEXT;
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strcpy(#title, "Text Reader");
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}
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if (encoding!=CH_CP866) ChangeCharset(charsets[encoding], "CP866", io.buffer_data);
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list.KeyHome();
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list.ClearList();
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}
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char *about[] = {
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"Text Reader v1.01",
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"Idea: Leency, punk_joker",
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"Code: Leency, Veliant, KolibriOS Team",
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" ",
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"Hotkeys:",
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"Ctrl+O - open file",
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"Ctrl+Up - bigger font",
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"Ctrl+Down - smaller font",
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"Ctrl+Tab - select charset",
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"Ctrl+E - edit current document",
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" ",
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"Press any key...",
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0
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};
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ShowAbout() {
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int i;
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help_opened = true;
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DrawBar(list.x, list.y, list.w, list.h, 0xFFFfff);
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WriteText(list.x + 10, list.y + 10, 10000001b, 0x555555, about[0]);
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for (i=1; about[i]; i++) WriteText(list.x + 10, i+1*20 + list.y, 10110000b, 0, about[i]);
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}
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