forked from KolibriOS/kolibrios
ac0309d8c4
TxtRead: autodetect encoding, fix about encoding git-svn-id: svn://kolibrios.org@7872 a494cfbc-eb01-0410-851d-a64ba20cac60
511 lines
13 KiB
C
511 lines
13 KiB
C
#define MEMSIZE 1024*80
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//===================================================//
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// //
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// LIB //
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// //
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//===================================================//
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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/kfont.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/libimg.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/simple_open_dialog.h"
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//===================================================//
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// //
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// INTERNAL INCLUDES //
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// //
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//===================================================//
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proc_info Form;
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llist list;
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#define TOOLBAR_H 34
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#define TOOLBAR_ICON_WIDTH 24
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#define TOOLBAR_ICON_HEIGHT 22
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dword bg_color;
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dword text_color;
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#include "search.h"
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#include "prepare_page.h"
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#include "data.h"
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int encoding;
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int curcol_scheme;
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#include "ini.h"
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//===================================================//
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// //
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// DATA //
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// //
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//===================================================//
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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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char title[4196];
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bool help_opened = false;
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int charsets_mx,
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reopenin_mx,
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colscheme_mx,
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search_mx;
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enum {
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OPEN_FILE,
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MAGNIFY_MINUS,
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MAGNIFY_PLUS,
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CHANGE_CHARSET,
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REOPEN_IN_APP,
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SHOW_INFO,
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SHOW_FILE_PROPERTIES,
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COLOR_SCHEME,
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SEARCH_BTN,
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BTN_FIND_NEXT,
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BTN_FIND_CLOSE
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};
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dword menu_id;
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//===================================================//
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// //
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// CODE //
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// //
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//===================================================//
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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 main()
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{
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InitDlls();
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OpenDialog_init stdcall (#o_dialog);
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if (param) strcpy(#openfile_path, #param);
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LoadIniSettings();
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EventSetColorScheme(curcol_scheme);
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kfont.init(DEFAULT_FONT);
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Libimg_LoadImage(#skin, abspath("toolbar.png"));
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LoadFile(#param);
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list.no_selection = true;
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SetEventMask(EVM_REDRAW + EVM_KEY + EVM_BUTTON + EVM_MOUSE + EVM_MOUSE_FILTER);
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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 (CheckActiveProcess(Form.ID)) EventMenuClick();
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draw_window();
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}
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}
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}
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//===================================================//
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// //
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// EVENT HANDLERS //
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// //
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//===================================================//
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void HandleButtonEvent()
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{
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int 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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switch(btn-10)
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{
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case OPEN_FILE:
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EventOpenDialog();
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break;
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case SHOW_FILE_PROPERTIES:
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EventShowFileProperties();
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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_CHARSET:
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EventShowCharsetsList();
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break;
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case REOPEN_IN_APP:
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EventShowReopenMenu();
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break;
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case COLOR_SCHEME:
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EventShowColorSchemesList();
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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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case SEARCH_BTN:
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if (search.visible) {
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search.hide();
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} else {
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search.show();
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}
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break;
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case BTN_FIND_NEXT:
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EventSearchNext();
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break;
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case BTN_FIND_CLOSE:
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search.hide();
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break;
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}
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}
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void HandleKeyEvent()
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{
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int new_y;
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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_modifier & KEY_LCTRL) || (key_modifier & KEY_RCTRL) {
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switch (key_scancode)
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{
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case SCAN_CODE_KEY_O:
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EventOpenDialog();
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return;
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case SCAN_CODE_KEY_I:
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EventShowFileProperties();
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return;
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case SCAN_CODE_PLUS:
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case SCAN_CODE_UP:
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EventMagnifyPlus();
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return;
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case SCAN_CODE_DOWN:
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case SCAN_CODE_MINUS:
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EventMagnifyMinus();
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return;
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case SCAN_CODE_KEY_E:
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EventShowReopenMenu();
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return;
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case SCAN_CODE_TAB:
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EventShowCharsetsList();
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return;
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case SCAN_CODE_KEY_F:
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search.show();
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return;
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case SCAN_CODE_HOME:
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list.KeyHome();
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DrawPage();
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}
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}
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switch (key_scancode)
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{
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case SCAN_CODE_F1:
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EventShowInfo();
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return;
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case SCAN_CODE_ESC:
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search.hide();
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return;
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case SCAN_CODE_ENTER:
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if (! search_box.flags & ed_focus) return;
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case SCAN_CODE_F3:
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EventSearchNext();
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return;
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}
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if (!search.edit_key()) {
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if (list.ProcessKey(key_scancode)) DrawPage();
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}
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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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search.edit_mouse();
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}
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//===================================================//
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// //
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// EVENTS //
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// //
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//===================================================//
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bool EventSearchNext()
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{
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int new_y = search.find_next(list.first, bg_color);
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if (new_y) {
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list.first = new_y / list.item_h;
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list.CheckDoesValuesOkey();
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DrawPage();
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}
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}
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void EventOpenDialog()
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{
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OpenDialog_start stdcall (#o_dialog);
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if (o_dialog.status) {
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LoadFile(#openfile_path);
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search.clear();
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ParseAndPaint();
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}
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}
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void EventShowFileProperties()
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{
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char ss_param[4096];
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if (!param) return;
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strcpy(#ss_param, "-p ");
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strcpy(#ss_param+3, #param);
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RunProgram("/sys/File managers/Eolite", #ss_param);
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}
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void EventMagnifyPlus()
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{
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kfont.size.pt++;
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if(!kfont.changeSIZE())
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kfont.size.pt--;
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else
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ParseAndPaint();
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}
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void EventMagnifyMinus()
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{
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kfont.size.pt--;
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if(!kfont.changeSIZE())
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kfont.size.pt++;
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else
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ParseAndPaint();
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}
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void EventShowCharsetsList()
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{
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menu_id = CHANGE_CHARSET;
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open_lmenu(Form.left+5 + charsets_mx, Form.top+29+skin_height, MENU_ALIGN_TOP_LEFT,
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encoding+1, "UTF-8\nKOI8-RU\nCP1251\nCP1252\nISO8859-5\nCP866\nAUTO");
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}
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void EventShowReopenMenu()
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{
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menu_id = REOPEN_IN_APP;
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open_lmenu(Form.left+5 + reopenin_mx, Form.top+29+skin_height, MENU_ALIGN_TOP_LEFT, 0,
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"Tinypad\nTextEdit\nWebView\nFB2Read\nHexView\nOther");
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}
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void EventShowColorSchemesList()
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{
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menu_id = COLOR_SCHEME;
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open_lmenu(Form.left+2 + colscheme_mx + 26,
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Form.top+29+skin_height, MENU_ALIGN_TOP_RIGHT,
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curcol_scheme+1, #color_scheme_names);
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}
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void EventSetColorScheme(dword _setn)
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{
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curcol_scheme = _setn;
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bg_color = color_schemes[curcol_scheme*2];
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text_color = color_schemes[curcol_scheme*2+1];
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if (list.count) ParseAndPaint();
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}
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void EventShowInfo() {
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help_opened = true;
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DrawBar(list.x, list.y, list.w, list.h, bg_color);
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WriteText(list.x + 10, list.y + 10, 10000001b, text_color, VERSION);
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WriteTextLines(list.x + 10, list.y+40, 10010000b, text_color, ABOUT, 20);
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}
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void EventChangeCharset(dword id)
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{
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encoding = id;
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LoadFile(#openfile_path);
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ParseAndPaint();
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draw_window();
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}
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void EventOpenFileInAnotherProgram(dword _id)
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{
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dword app;
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byte open_param[4096];
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switch(_id) {
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case 0:
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app = "/sys/tinypad";
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break;
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case 1:
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app = "/sys/develop/t_edit";
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break;
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case 2:
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app = "/sys/network/webview";
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break;
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case 3:
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app = "/sys/fb2read";
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break;
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case 4:
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app = "/sys/develop/heed";
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break;
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case 5:
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open_param[0]='~';
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strcpy(#open_param+1,#param);
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RunProgram("/sys/@open", #open_param);
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break;
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}
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RunProgram(app, #param);
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}
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void EventMenuClick()
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{
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dword click_id = get_menu_click();
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if (click_id) && (menu_id)
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{
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if (menu_id == CHANGE_CHARSET) EventChangeCharset(click_id-1);
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else if (menu_id == REOPEN_IN_APP) EventOpenFileInAnotherProgram(click_id-1);
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else if (menu_id == COLOR_SCHEME) EventSetColorScheme(click_id-1);
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else notify("'Error: wrong menu number'E");
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}
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menu_id = NULL;
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}
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//===================================================//
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// //
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// DRAWS AND OTHER FUNCS //
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// //
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//===================================================//
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void LoadFile(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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if (!io.read(#param)) goto NO_DATA;
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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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NO_DATA:
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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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// Autodetecting encoding
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if (encoding==CH_AUTO) {
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if (strstr(io.buffer_data, "\208\190")) ChangeCharset(CH_UTF8, "CP866", io.buffer_data);
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else if (chrnum(io.buffer_data, '\246')>5) || (strstr(io.buffer_data, "<EFBFBD><EFBFBD>")) ChangeCharset(CH_CP1251, "CP866", io.buffer_data);
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} else {
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if (encoding!=CH_CP866) ChangeCharset(encoding, "CP866", io.buffer_data);
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}
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list.ClearList();
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}
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int DrawToolbarButton(char image_id, int x)
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{
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DrawOvalBorder(x, 5, TOOLBAR_ICON_WIDTH, TOOLBAR_ICON_HEIGHT, sc.work_graph,
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sc.work_graph,sc.work_graph, sc.work_dark);
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img_draw stdcall(skin.image, x+1, 5+1, TOOLBAR_ICON_WIDTH, TOOLBAR_ICON_HEIGHT, TOOLBAR_ICON_WIDTH*image_id, 0);
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if (menu_id) && (menu_id == image_id) {
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DrawRectangle3D(x+1, 6, TOOLBAR_ICON_WIDTH-1, TOOLBAR_ICON_HEIGHT-1, 0xCCCccc, 0xF8FCF8);
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PutShadow(x+1, 6, TOOLBAR_ICON_WIDTH, TOOLBAR_ICON_HEIGHT, true, 2);
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}
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DefineHiddenButton(x+1, 6, TOOLBAR_ICON_WIDTH, TOOLBAR_ICON_HEIGHT, 10+image_id);
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return x;
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}
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void draw_window()
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{
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#define BUTTONS_GAP 5
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#define BLOCKS_GAP 18
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#define TOOLBAR_BUTTON_WIDTH 26
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incn x;
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int old_w;
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DefineAndDrawWindow(Form.left,Form.top,Form.width,Form.height,0x73,0,#title,0);
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GetProcessInfo(#Form, SelfInfo);
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sc.get();
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if (Form.status_window>2) return;
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if (Form.width < 340) { MoveSize(OLD,OLD,340,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, sc.work);
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DrawBar(0, TOOLBAR_H - 1, Form.cwidth, 1, sc.work_graph);
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x.n = 0;
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DrawToolbarButton(OPEN_FILE, x.inc(8));
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DrawToolbarButton(SHOW_FILE_PROPERTIES, x.inc(TOOLBAR_BUTTON_WIDTH + BUTTONS_GAP));
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DrawToolbarButton(MAGNIFY_MINUS, x.inc(TOOLBAR_BUTTON_WIDTH + BLOCKS_GAP));
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DrawToolbarButton(MAGNIFY_PLUS, x.inc(TOOLBAR_BUTTON_WIDTH - 1));
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search_mx = DrawToolbarButton(SEARCH_BTN, x.inc(TOOLBAR_BUTTON_WIDTH + BLOCKS_GAP));
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charsets_mx = DrawToolbarButton(CHANGE_CHARSET, x.inc(TOOLBAR_BUTTON_WIDTH + BUTTONS_GAP));
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reopenin_mx = DrawToolbarButton(REOPEN_IN_APP, x.inc(TOOLBAR_BUTTON_WIDTH + BUTTONS_GAP));
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x.n = Form.cwidth - 34;
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DrawToolbarButton(SHOW_INFO, x.n);
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colscheme_mx = DrawToolbarButton(COLOR_SCHEME, x.inc(-TOOLBAR_BUTTON_WIDTH - BUTTONS_GAP));
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if (search.draw(BTN_FIND_NEXT+10, BTN_FIND_CLOSE+10, Form.cheight - SEARCH_H)) {
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DrawRectangle3D(search_mx+1, 6, TOOLBAR_ICON_WIDTH-1,
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TOOLBAR_ICON_HEIGHT-1, 0xCCCccc, 0xF8FCF8);
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}
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old_w = list.w;
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list.SetSizes(0, TOOLBAR_H, Form.cwidth-scroll.size_x-1,
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Form.cheight-TOOLBAR_H-search.height(), math.round(kfont.size.pt * 1.4));
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if ((Form.cwidth-scroll.size_x-1 == old_w) && (list.count)) {
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DrawPage();
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} else {
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ParseAndPaint();
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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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kfont.ShowBufferPart(list.x, list.y, list.w, list.h, list.first*list.item_h*list.w);
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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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scrollbar_v_draw(#scroll);
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}
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