mirror of
https://github.com/mpv-player/mpv
synced 2024-12-27 09:32:40 +00:00
4ab4cd3dcd
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@25007 b3059339-0415-0410-9bf9-f77b7e298cf2
279 lines
7.1 KiB
C
279 lines
7.1 KiB
C
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#include <stdlib.h>
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#include <stdio.h>
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#include <ctype.h>
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#include <string.h>
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#include "config.h"
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#include "libmpcodecs/img_format.h"
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#include "libmpcodecs/mp_image.h"
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#include "m_struct.h"
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#include "menu.h"
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#include "libvo/font_load.h"
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#include "osdep/keycodes.h"
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#define IMPL 1
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#include "menu_list.h"
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#define mpriv (menu->priv)
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void menu_list_draw(menu_t* menu,mp_image_t* mpi) {
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int x = mpriv->x;
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int y = mpriv->y;
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int i;
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int h = mpriv->h;
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int w = mpriv->w;
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int dh = 0,dw = 0;
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int dy = 0;
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int need_h = 0,need_w = 0,ptr_l,sidx = 0;
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int th,count = 0;
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int bg_w;
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list_entry_t* m;
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if(mpriv->count < 1)
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return;
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if(h <= 0) h = mpi->height;
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if(w <= 0) w = mpi->width;
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dh = h - 2*mpriv->minb;
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dw = w - 2*mpriv->minb;
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ptr_l = mpriv->ptr ? menu_text_length(mpriv->ptr) : 0;
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// mpi is too small
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if(h - vo_font->height <= 0 || w - ptr_l <= 0 || dw <= 0 || dh <= 0)
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return;
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th = menu_text_num_lines(mpriv->title,dw) * (mpriv->vspace + vo_font->height) + mpriv->vspace;
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// the selected item is hidden, find a visible one
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if(mpriv->current->hide) {
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// try the next
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for(m = mpriv->current->next ; m ; m = m->next)
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if(!m->hide) break;
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if(!m) // or the previous
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for(m = mpriv->current->prev ; m ; m = m->prev)
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if(!m->hide) break;
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if(m) mpriv->current = m;
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else ptr_l = 0;
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}
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for(i = 0, m = mpriv->menu ; m ; m = m->next, i++) {
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int ll;
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if(m->hide) continue;
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ll = menu_text_length(m->txt);
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if(ptr_l + ll > need_w) need_w = ptr_l + ll;
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if(m == mpriv->current) sidx = i;
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count++;
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}
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if(need_w > dw) need_w = dw;
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if(x > 0)
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x += mpriv->minb;
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if(y > 0)
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y += mpriv->minb;
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else
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y = mpriv->minb;
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need_h = count * (mpriv->vspace + vo_font->height) - mpriv->vspace;
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if( need_h + th > dh) {
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int start,end;
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mpriv->disp_lines = (dh + mpriv->vspace - th) / (mpriv->vspace + vo_font->height);
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if(mpriv->disp_lines < 4) {
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th = 0;
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mpriv->disp_lines = (dh + mpriv->vspace) / ( vo_font->height + mpriv->vspace);
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}
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// Too smoll
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if(mpriv->disp_lines < 1) return;
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need_h = mpriv->disp_lines*(mpriv->vspace + vo_font->height) - mpriv->vspace;
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start = sidx - (mpriv->disp_lines/2);
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if(start < 0) start = 0;
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end = start + mpriv->disp_lines;
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if(end > count) {
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end = count;
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if(end - start < mpriv->disp_lines)
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start = end - mpriv->disp_lines < 0 ? 0 : end - mpriv->disp_lines;
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}
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m = mpriv->menu;
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for(i = 0 ; m->next && i < start ; ) {
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if(!m->hide) i++;
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m = m->next;
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}
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} else {
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m = mpriv->menu;
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mpriv->disp_lines = count;
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}
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bg_w = need_w+2*mpriv->minb;
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if(th > 0) {
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if(mpriv->title_bg >= 0) {
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int tw,th2;
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menu_text_size(mpriv->title,dw,mpriv->vspace,1,&tw,&th2);
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if(tw+2*mpriv->minb > bg_w) bg_w = tw+2*mpriv->minb;
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menu_draw_box(mpi,mpriv->title_bg,mpriv->title_bg_alpha,
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x < 0 ? (mpi->w-bg_w)/2 : x-mpriv->minb,dy+y-mpriv->vspace/2,bg_w,th);
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}
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menu_draw_text_full(mpi,mpriv->title,
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x < 0 ? mpi->w / 2 : x,
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dy+y,dw,0,
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mpriv->vspace,1,
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MENU_TEXT_TOP|MENU_TEXT_HCENTER,
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MENU_TEXT_TOP|(x < 0 ? MENU_TEXT_HCENTER :MENU_TEXT_LEFT));
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dy += th;
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}
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for( ; m != NULL && dy + vo_font->height < dh ; m = m->next ) {
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if(m->hide) continue;
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if(m == mpriv->current) {
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if(mpriv->ptr_bg >= 0)
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menu_draw_box(mpi,mpriv->ptr_bg,mpriv->ptr_bg_alpha,
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x < 0 ? (mpi->w-bg_w)/2 : x-mpriv->minb,dy+y-mpriv->vspace/2,
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bg_w,vo_font->height + mpriv->vspace);
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if(ptr_l > 0)
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menu_draw_text_full(mpi,mpriv->ptr,
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x < 0 ? (mpi->w - need_w) / 2 + ptr_l : x,
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dy+y,dw,dh - dy,
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mpriv->vspace,0,
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MENU_TEXT_TOP|(x < 0 ? MENU_TEXT_RIGHT :MENU_TEXT_LEFT) ,
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MENU_TEXT_TOP|(x < 0 ? MENU_TEXT_RIGHT :MENU_TEXT_LEFT));
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} else if(mpriv->item_bg >= 0)
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menu_draw_box(mpi,mpriv->item_bg,mpriv->item_bg_alpha,
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x < 0 ? (mpi->w-bg_w)/2 : x-mpriv->minb,dy+y-mpriv->vspace/2,
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bg_w,vo_font->height + mpriv->vspace);
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menu_draw_text_full(mpi,m->txt,
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x < 0 ? (mpi->w - need_w) / 2 + ptr_l : x + ptr_l,
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dy+y,dw-ptr_l,dh - dy,
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mpriv->vspace,0,
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MENU_TEXT_TOP|MENU_TEXT_LEFT,
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MENU_TEXT_TOP|MENU_TEXT_LEFT);
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dy += vo_font->height + mpriv->vspace;
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}
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}
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void menu_list_read_cmd(menu_t* menu,int cmd) {
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switch(cmd) {
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case MENU_CMD_UP:
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while(mpriv->current->prev) {
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mpriv->current = mpriv->current->prev;
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if(!mpriv->current->hide) return;
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}
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for( ; mpriv->current->next != NULL ; mpriv->current = mpriv->current->next)
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/* NOTHING */;
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if(!mpriv->current->hide) return;
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while(mpriv->current->prev) {
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mpriv->current = mpriv->current->prev;
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if(!mpriv->current->hide) return;
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}
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break;
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case MENU_CMD_DOWN:
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while(mpriv->current->next) {
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mpriv->current = mpriv->current->next;
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if(!mpriv->current->hide) return;
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}
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mpriv->current = mpriv->menu;
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if(!mpriv->current->hide) return;
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while(mpriv->current->next) {
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mpriv->current = mpriv->current->next;
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if(!mpriv->current->hide) return;
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}
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break;
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case MENU_CMD_LEFT:
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case MENU_CMD_CANCEL:
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menu->show = 0;
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menu->cl = 1;
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break;
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}
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}
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void menu_list_jump_to_key(menu_t* menu,int c) {
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if(c < 256 && isalnum(c)) {
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list_entry_t* e = mpriv->current;
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if(e->txt[0] == c) e = e->next;
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for( ; e ; e = e->next) {
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if(e->txt[0] == c) {
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mpriv->current = e;
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return;
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}
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}
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for(e = mpriv->menu ; e ; e = e->next) {
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if(e->txt[0] == c) {
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mpriv->current = e;
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return;
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}
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}
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} else
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menu_dflt_read_key(menu,c);
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}
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void menu_list_read_key(menu_t* menu,int c,int jump_to) {
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list_entry_t* m;
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int i;
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switch(c) {
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case KEY_HOME:
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mpriv->current = mpriv->menu;
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break;
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case KEY_END:
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for(m = mpriv->current ; m && m->next ; m = m->next)
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/**/;
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if(m)
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mpriv->current = m;
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break;
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case KEY_PAGE_UP:
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for(i = 0, m = mpriv->current ; m && m->prev && i < mpriv->disp_lines ; m = m->prev, i++)
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/**/;
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if(m)
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mpriv->current = m;
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break;
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case KEY_PAGE_DOWN:
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for(i = 0, m = mpriv->current ; m && m->next && i < mpriv->disp_lines ; m = m->next, i++)
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/**/;
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if(m)
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mpriv->current = m;
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break;
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default:
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if(jump_to)
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menu_list_jump_to_key(menu,c);
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else
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menu_dflt_read_key(menu,c);
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}
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}
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void menu_list_add_entry(menu_t* menu,list_entry_t* entry) {
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list_entry_t* l;
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mpriv->count++;
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if(mpriv->menu == NULL) {
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mpriv->menu = mpriv->current = entry;
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return;
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}
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for(l = mpriv->menu ; l->next != NULL ; l = l->next)
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/* NOP */;
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l->next = entry;
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entry->prev = l;
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}
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void menu_list_init(menu_t* menu) {
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if(!mpriv)
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mpriv = calloc(1,sizeof(struct menu_priv_s));
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}
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void menu_list_uninit(menu_t* menu,free_entry_t free_func) {
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list_entry_t *i,*j;
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if(!free_func) free_func = (free_entry_t)free;
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for(i = mpriv->menu ; i != NULL ; ) {
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j = i->next;
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free_func(i);
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i = j;
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}
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mpriv->menu = mpriv->current = NULL;
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}
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