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TextReader 1.01: better code from Veliant

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git-svn-id: svn://kolibrios.org@5923 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Kirill Lipatov (Leency) 2015-11-21 21:12:38 +00:00
parent 9780bc0c05
commit 09384aab2e
1 changed files with 209 additions and 64 deletions
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273
programs/cmm/textreader/textreader.c
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@ -12,6 +12,19 @@
#include "../lib/patterns/simple_open_dialog.h"
#define TOOLBAR_H 34
#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."
char default_dir[] = "/rd/1";
od_filter filter2 = {0,0};
@ -29,7 +42,7 @@ dword line_offset;
#define DWORD 4;
enum {
OPEN_FILE,
OPEN_FILE = 10,
MAGNIFY_MINUS,
MAGNIFY_PLUS,
CHANGE_ENCODING,
@ -40,66 +53,185 @@ enum {
#include "ini.h"
#include "menu.h"
void InitDlls()
{
load_dll(boxlib, #box_lib_init, 0);
load_dll(libio, #libio_init, 1);
load_dll(libimg, #libimg_init, 1);
load_dll(libini, #lib_init, 1);
load_dll(iconv_lib, #iconv_open, 0);
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()
{
byte btn;
load_dll(boxlib, #box_lib_init,0);
load_dll(libio, #libio_init,1);
load_dll(libimg, #libimg_init,1);
load_dll(libini, #lib_init,1);
load_dll(iconv_lib, #iconv_open,0);
load_dll(Proc_lib, #OpenDialog_init,0);
{
InitDlls();
OpenDialog_init stdcall (#o_dialog);
font.no_bg_copy = true; font.color = 0; font.bg_color = 0xFFFFFF;
font.load("/sys/fonts/Tahoma.kf"); if (!font.data) { io.run("/sys/@notify","'Error: Font is not loaded.' -E"); ExitProcess(); }
font.no_bg_copy = true;
font.color = 0;
font.bg_color = 0xFFFFFF;
font.load(DEFAULT_FONT);
if (!font.data) {
io.run("/sys/@notify","'Error: Font is not loaded.' -E");
ExitProcess();
}
Libimg_LoadImage(#skin, abspath("toolbar.png"));
LoadIniSettings();
OpenFile(#param);
list.no_selection = true;
SetEventMask(10000000000000000000000001100111b);
loop()
{
switch(WaitEvent())
{
case evMouse:
mouse.get();
list.wheel_size = 7;
if (list.MouseScroll(mouse.vert)) { DrawPage(); break; }
scrollbar_v_mouse (#scroll); if (list.first != scroll.position) { list.first = scroll.position; DrawPage(); }
break;
case evKey:
if (help_opened) { help_opened=false; DrawPage(); break; }
GetKeys();
if (key_scancode==059) goto _SHOW_INFO;
if (key_modifier&KEY_LCTRL) || (key_modifier&KEY_RCTRL) {
if (key_scancode==024) goto _OPEN_FILE;
if (key_scancode==SCAN_CODE_UP) goto _MAGNIFY_PLUS;
if (key_scancode==SCAN_CODE_DOWN) goto _MAGNIFY_MINUS;
if (key_scancode==018) goto _RUN_EDIT;
if (key_scancode==SCAN_CODE_TAB) goto _CHANGE_ENCODING;
switch(WaitEvent())
{
case evMouse:
HandleMouseEvent();
break;
}
if (list.ProcessKey(key_scancode)) DrawPage();
break;
case evButton:
btn = GetButtonID();
if (btn==1) { SaveIniSettings(); ExitProcess(); }
btn-=10;
if (btn==OPEN_FILE) { _OPEN_FILE: OpenDialog_start stdcall (#o_dialog); OpenFile(#openfile_path); PreparePage(); }
else if (btn==MAGNIFY_PLUS) { _MAGNIFY_PLUS: font.size.text++; if(!font.changeSIZE())font.size.text--; else PreparePage(); }
else if (btn==MAGNIFY_MINUS) { _MAGNIFY_MINUS: font.size.text--; if(!font.changeSIZE())font.size.text++; else PreparePage(); }
else if (btn==CHANGE_ENCODING) { _CHANGE_ENCODING: CreateThread(#menu_rmb,#stak+4092); break; }
else if (btn==RUN_EDIT) { _RUN_EDIT: io.run("/sys/tinypad",#param); }
else if (btn==SHOW_INFO) { _SHOW_INFO: ShowAbout(); }
break;
case evReDraw:
if (action_buf) {
OpenFile(#param);
PreparePage();
action_buf = false;
};
draw_window();
}
case evKey:
HandleKeyEvent();
break;
case evButton:
HandleButtonEvent();
break;
case evReDraw:
if (action_buf) {
OpenFile(#param);
PreparePage();
action_buf = false;
};
draw_window();
}
}
}
@ -108,17 +240,29 @@ void draw_window()
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; }
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();
DrawToolbarButton(OPEN_FILE, TOOLBAR_OPEN_FILE_LEFT);
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)
)
{
DrawPage();
} else {
PreparePage();
}
DrawRectangle(scroll.start_x, scroll.start_y, scroll.size_x, scroll.size_y-1, scroll.bckg_col);
}
@ -138,6 +282,7 @@ void 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
@ -199,8 +344,8 @@ void PreparePage()
void DrawToolbarButton(char image_id, int x)
{
DefineButton(x, 5, 26-1, 24-1, 10+image_id + BT_HIDE, 0);
img_draw stdcall(skin.image, x, 5, 26, 24, 0, image_id*24);
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()
@ -227,7 +372,7 @@ void OpenFile(dword f_path)
}
else {
if (list.count) return;
io.buffer_data = "This is a plain text reader.\nTry to open some text file.";
io.buffer_data = INTRO_TEXT;
strcpy(#title, "Text Reader");
}
if (encoding!=CH_CP866) ChangeCharset(charsets[encoding], "CP866", io.buffer_data);
@ -238,9 +383,9 @@ void OpenFile(dword f_path)
char *about[] = {
"Text Reader v1.0",
"Text Reader v1.01",
"Idea: Leency, punk_joker",
"Code: Leency, KolibriOS Team",
"Code: Leency, Veliant, KolibriOS Team",
" ",
"Hotkeys:",
"Ctrl+O - open file",
@ -259,4 +404,4 @@ ShowAbout() {
DrawBar(list.x, list.y, list.w, list.h, 0xFFFfff);
WriteText(list.x + 10, list.y + 10, 10000001b, 0x555555, about[0]);
for (i=1; about[i]; i++) WriteText(list.x + 10, i+1*20 + list.y, 10110000b, 0, about[i]);
}
}