forked from KolibriOS/kolibrios
423 lines
10 KiB
C
423 lines
10 KiB
C
#include <menuet/os.h>
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#define _WIN32
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#include "fitz.h"
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#include "mupdf.h"
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#include "muxps.h"
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#include "pdfapp.h"
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#include "icons/allbtns.h"
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// need to be a part of menuet/os.h
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#define BT_DEL 0x80000000
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#define BT_HIDE 0x40000000
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#define BT_NOFRAME 0x20000000
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#define evReDraw 1
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#define evKey 2
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#define evButton 3
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#define evMouse 6
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#define evNetwork 8
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#define ASCII_KEY_LEFT 176
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#define ASCII_KEY_RIGHT 179
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#define ASCII_KEY_DOWN 177
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#define ASCII_KEY_UP 178
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#define ASCII_KEY_HOME 180
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#define ASCII_KEY_END 181
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#define ASCII_KEY_PGDN 183
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#define ASCII_KEY_PGUP 184
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#define ASCII_KEY_BS 8
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#define ASCII_KEY_TAB 9
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#define ASCII_KEY_ENTER 13
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#define ASCII_KEY_ESC 27
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#define ASCII_KEY_DEL 182
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#define ASCII_KEY_INS 185
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#define ASCII_KEY_SPACE 032
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struct blit_call
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{
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int dstx;
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int dsty;
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int w;
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int h;
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int srcx;
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int srcy;
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int srcw;
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int srch;
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unsigned char *d;
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int stride;
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};
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void blit(int dstx, int dsty, int w, int h, int srcx, int srcy,int srcw, int srch, int stride, char *d) //Вызов сисфункции Blitter
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{
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struct blit_call image;
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image.dstx=dstx;
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image.dsty=dsty;
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image.w=w;
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image.h=h;
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image.srcx=srcx;
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image.srcy=srcy;
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image.srcw=srcw;
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image.srch=srch;
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image.stride=stride;
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image.d=d;
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asm ("int $0x40"::"a"(73),"b"(0),"c"(&image));
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}
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int __menuet__get_mouse_wheels(void)
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{
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int val;
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asm ("int $0x40":"=a"(val):"a"(37),"b"(7));
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return val;
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};
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/*==== DATA ====*/
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static char Title[1024] = "uPDF";
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static char * filename = "/hd0/1/yand.pdf";
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static pdfapp_t gapp;
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char debugstr[256];
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char do_not_blit=0;
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#define TOOLBAR_HEIGHT 34
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struct process_table_entry Form;
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#define DOCUMENT_BORDER 0x979797
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#define DOCUMENT_BG 0xABABAB
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#define SCROLL_H 17
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const char *help[] = {
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"Keys:",
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" ",
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"PageUp - go to previous page",
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"PageDown - go to next page",
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"Home - go to first page",
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"End - go to last page",
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"Down arrow - scroll current page down",
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"Up arrow - scroll current page up",
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"+/- - zoom in/out",
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"[ or l - rotate page 90 deg to the left",
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"] or r - rotate page 90 deg to the right",
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" ",
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"Press Escape to hide help",
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0
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};
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/*==== CODE ====*/
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// not implemented yet
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void wincursor(pdfapp_t *app, int curs) { }
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void winhelp(pdfapp_t *app) { }
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void winresize(pdfapp_t *app, int w, int h) { }
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void windocopy(pdfapp_t *app) { }
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void winopenuri(pdfapp_t *app, char *buf) { }
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void winrepaintsearch(pdfapp_t *app) { }
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void winwarn(pdfapp_t *app, char *msg)
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{
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fprintf(stderr, "mupdf: %s\n", msg);
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}
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void winerror(pdfapp_t *app, fz_error error)
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{
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fz_catch(error, "aborting");
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exit(1);
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}
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char *winpassword(pdfapp_t *app, char *filename)
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{
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char *r = "";
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return r;
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}
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void wintitle(pdfapp_t *app, char *s)
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{
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char* param = *(char**)0x1C;
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sprintf(Title,"%s - uPDF", strrchr(param, '/') + 1 );
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}
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void winreloadfile(pdfapp_t *app)
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{
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//pdfapp_close(app);
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//pdfapp_open(app, filename, 0, 1);
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}
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void winclose(pdfapp_t *app)
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{
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pdfapp_close(&gapp);
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__menuet__sys_exit();
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}
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void winrepaint(pdfapp_t *app)
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{
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winblit(&gapp);
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}
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void winblit(pdfapp_t *app)
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{
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signed short window_center, draw_w;
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if (do_not_blit) return;
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if (Form.client_width > gapp.image->w) window_center = (Form.client_width - gapp.image->w) / 2; else window_center = 0;
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if (gapp.image->n == 4)
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blit(window_center + Form.client_left,
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Form.client_top + TOOLBAR_HEIGHT,
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Form.client_width,
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Form.client_height - TOOLBAR_HEIGHT,
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gapp.panx,
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gapp.pany,
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gapp.image->w,
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gapp.image->h,
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gapp.image->w * gapp.image->n,
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gapp.image->samples
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);
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else if (gapp.image->n == 2)
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{
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int i = gapp.image->w*gapp.image->h;
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unsigned char *color = malloc(i*4);
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if (color != NULL)
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{
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unsigned char *s = gapp.image->samples;
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unsigned char *d = color;
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for (; i > 0 ; i--)
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{
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d[2] = d[1] = d[0] = *s++;
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d[3] = *s++;
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d += 4;
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}
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blit(window_center + Form.client_left,
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Form.client_top + TOOLBAR_HEIGHT,
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Form.client_width,
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Form.client_height - TOOLBAR_HEIGHT,
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gapp.panx,
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gapp.pany,
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gapp.image->w,
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gapp.image->h,
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gapp.image->w * 4,
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color
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);
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free(color);
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}
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}
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if (gapp.image->h - gapp.pany < Form.client_height - TOOLBAR_HEIGHT)
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{
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if (gapp.image->w < Form.client_width) draw_w = gapp.image->w; else draw_w = Form.client_width;
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__menuet__bar(window_center, gapp.image->h - gapp.pany + TOOLBAR_HEIGHT, draw_w, 1, DOCUMENT_BORDER);
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__menuet__bar(window_center, gapp.image->h - gapp.pany + TOOLBAR_HEIGHT + 1, draw_w, Form.client_height - gapp.image->h - TOOLBAR_HEIGHT + gapp.pany - 1, DOCUMENT_BG);
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}
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DrawPagination();
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}
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int main (void)
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{
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char ii, mouse_wheels_state;
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char* original_command_line = *(char**)0x1C;
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__menuet__debug_out(original_command_line);
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char buf[128];
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int resolution = 72;
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int pageno = 1;
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fz_accelerate();
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__menuet__debug_out("PDF init\n");
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pdfapp_init(&gapp);
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gapp.scrw = 600;
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gapp.scrh = 400;
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gapp.resolution = resolution;
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gapp.pageno = pageno;
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__menuet__debug_out("PDF Open\n");
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pdfapp_open(&gapp, original_command_line, 0, 0);
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__menuet__debug_out("PDF Opened\n");
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__menuet__debug_out("Inital paint\n");
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//if (gapp.image) gapp.shrinkwrap = 0;
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int butt, key, screen_max_x, screen_max_y;
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__menuet__get_screen_max(&screen_max_x, &screen_max_y);
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__menuet__set_bitfield_for_wanted_events(EVENT_REDRAW+EVENT_KEY+EVENT_BUTTON+EVENT_MOUSE_CHANGE);
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for(;;)
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{
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switch(__menuet__wait_for_event())
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{
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case evReDraw:
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__menuet__window_redraw(1);
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__menuet__define_window(screen_max_x / 2 - 350, screen_max_y / 2 - 300, 700, 600, 0x73000000, 0x800000FF, Title);
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__menuet__window_redraw(2);
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__menuet__get_process_table(&Form, PID_WHOAMI);
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if (Form.window_state > 2) continue; //fix rolled up
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Form.client_width++; //fix for Menuet kernel bug
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Form.client_height++; //fix for Menuet kernel bug
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DrawWindow();
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break;
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case evKey:
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key = __menuet__getkey();
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if (key==ASCII_KEY_ESC) DrawWindow(); //close help
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if (key==ASCII_KEY_PGDN) pdfapp_onkey(&gapp, ']');
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if (key==ASCII_KEY_PGUP) pdfapp_onkey(&gapp, '[');
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if (key==ASCII_KEY_HOME) pdfapp_onkey(&gapp, 'g');
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if (key==ASCII_KEY_END ) pdfapp_onkey(&gapp, 'G');
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if ((key=='[' ) || (key=='l')) pdfapp_onkey(&gapp, 'L');
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if ((key==']' ) || (key=='r')) pdfapp_onkey(&gapp, 'R');
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if (key==ASCII_KEY_DOWN ) PageScrollDown();
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if (key==ASCII_KEY_UP ) PageScrollUp();
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if (key=='-') PageZoomOut();
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if ((key=='=') || (key=='+')) PageZoomIn();
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break;
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case evButton:
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butt = __menuet__get_button_id();
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if(butt==1) __menuet__sys_exit();
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if(butt==10) ;//mag open file
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if(butt==11) PageZoomOut(); //magnify -
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if(butt==12) PageZoomIn(); //magnify +
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if(butt==13) //show help
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{
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__menuet__bar(0, TOOLBAR_HEIGHT, Form.client_width, Form.client_height - TOOLBAR_HEIGHT, 0xF2F2F2);
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__menuet__write_text(20, TOOLBAR_HEIGHT + 20 , 0x90000000, "uPDF for KolibriOS v1.0", 0);
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__menuet__write_text(21, TOOLBAR_HEIGHT + 20 , 0x90000000, "uPDF for KolibriOS v1.0", 0);
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for (ii=0; help[ii]!=0; ii++) {
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__menuet__write_text(20, TOOLBAR_HEIGHT + 60 + ii * 15, 0x80000000, help[ii], 0);
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}
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}
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if(butt==14) pdfapp_onkey(&gapp, '['); //previous page
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if(butt==15) pdfapp_onkey(&gapp, ']'); //next page
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//if(butt==8) pdfapp_onkey(&gapp, 'j'); //move up
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//if(butt==9) pdfapp_onkey(&gapp, 'k'); //move down
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break;
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case evMouse:
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if (mouse_wheels_state = __menuet__get_mouse_wheels())
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{
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if (mouse_wheels_state==1) { PageScrollDown(); PageScrollDown(); }
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if (mouse_wheels_state==-1) { PageScrollUp(); PageScrollUp(); }
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}
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//sprintf (debugstr, "mouse_wheels_state: %d \n", mouse_wheels_state);
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//__menuet__debug_out(debugstr);
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//pdfapp_onmouse(&gapp, int x, int y, int btn, int modifiers, int state)
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break;
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}
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}
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}
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void DrawPageSides(void)
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{
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short window_center;
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if (Form.client_width > gapp.image->w) window_center = (Form.client_width - gapp.image->w) / 2; else window_center = 0;
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if (gapp.image->w < Form.client_width)
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{
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__menuet__bar(0, TOOLBAR_HEIGHT, window_center-1, Form.client_height - TOOLBAR_HEIGHT, DOCUMENT_BG);
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__menuet__bar(window_center-1, TOOLBAR_HEIGHT, 1, Form.client_height - TOOLBAR_HEIGHT, DOCUMENT_BORDER);
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__menuet__bar(window_center + gapp.image->w, TOOLBAR_HEIGHT, 1, Form.client_height - TOOLBAR_HEIGHT, DOCUMENT_BORDER);
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__menuet__bar(window_center + gapp.image->w+1, TOOLBAR_HEIGHT, Form.client_width - window_center - gapp.image->w - 1, Form.client_height - TOOLBAR_HEIGHT, DOCUMENT_BG);
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}
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}
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void DrawPagination(void)
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{
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char pages_display[12];
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short show_area_w = 65;
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short show_area_x = Form.client_width - show_area_w - 34;
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DrawToolbarButton(show_area_x - 26,5,26,24,4); //prev page
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DrawToolbarButton(show_area_x + show_area_w,5,26,24,5); //nex page
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__menuet__bar(show_area_x, 5, show_area_w, 1, 0xA4A4A4);
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__menuet__bar(show_area_x, 6, show_area_w, 22, 0xF4F4F4);
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__menuet__bar(show_area_x, 28, show_area_w, 1, 0xA4A4A4);
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sprintf (pages_display, "%d/%d", gapp.pageno, gapp.pagecount);
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__menuet__write_text(show_area_x + show_area_w/2 - strlen(pages_display)*6/2, 14, 0x000000, pages_display, strlen(pages_display));
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}
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void DrawWindow(void)
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{
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__menuet__bar(0, 0, Form.client_width, TOOLBAR_HEIGHT - 1, 0xe1e1e1); // bar on the top (buttons holder)
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__menuet__bar(0, TOOLBAR_HEIGHT - 1, Form.client_width, 1, 0x7F7F7F);
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DrawToolbarButton(8,5,26,24,0); //open_folder
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DrawToolbarButton(42,5,26,24,1); //magnify -
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DrawToolbarButton(67,5,26,24,2); //magnify +
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DrawToolbarButton(Form.client_width - 160,5,26,24,3); //show help
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winblit(&gapp);
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DrawPageSides();
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}
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void DrawToolbarButton(int x, int y, int w, int h, char image_id)
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{
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__menuet__make_button(x, y, w-1, h-1, 10 + image_id + BT_HIDE, 0);
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__menuet__putimage(x, y, w, h, image_id * 24 * 26 * 3 + toolbar_image);
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}
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/* Actions */
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void PageScrollDown(void)
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{
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if (gapp.image->h - gapp.pany - SCROLL_H < Form.client_height - TOOLBAR_HEIGHT)
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{
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pdfapp_onkey(&gapp, '.');
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}
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else {
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gapp.pany += SCROLL_H;
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winblit(&gapp);
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}
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}
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void PageScrollUp(void)
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{
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if (gapp.pany >= SCROLL_H) {
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gapp.pany -= SCROLL_H;
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winblit(&gapp);
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}
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else {
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//need to avoid double repaint in future
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if (gapp.pageno == 1) return;
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do_not_blit = 1;
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pdfapp_onkey(&gapp, ',');
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do_not_blit = 0;
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gapp.pany = gapp.image->h - SCROLL_H - Form.client_height + TOOLBAR_HEIGHT;
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if (gapp.pany < 0) gapp.pany = 0;
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//sprintf (debugstr, "gapp.pany: %d \n", gapp.pany);
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//__menuet__debug_out(debugstr);
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winblit(&gapp);
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}
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}
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void PageZoomIn(void)
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{
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pdfapp_onkey(&gapp, '+');
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DrawPageSides();
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}
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void PageZoomOut(void)
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{
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pdfapp_onkey(&gapp, '-');
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DrawPageSides();
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}
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