mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-11-25 02:09:36 +03:00
6a46b302a9
git-svn-id: svn://kolibrios.org@6039 a494cfbc-eb01-0410-851d-a64ba20cac60
292 lines
5.4 KiB
C
292 lines
5.4 KiB
C
//list_box
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#ifndef INCLUDE_LIST_BOX_H
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#define INCLUDE_LIST_BOX_H
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#print "[include <list_box.h>]\n"
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#ifndef INCLUDE_KOLIBRI_H
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#include "../lib/kolibri.h"
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#endif
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struct llist
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{
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int x, y, w, h, item_h, item_w;
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int count, visible, first, column_max; //visible = row_max
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int cur_x, cur_y;
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int text_y;
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byte font_w, font_h, font_type;
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byte wheel_size;
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byte active;
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byte no_selection;
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byte horisontal_selelection;
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void ClearList();
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void SetSizes(int xx, yy, ww, hh, item_hh);
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void SetFont(dword font_ww, font_hh, font_tt);
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int ProcessKey(dword key);
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int ProcessMouse(int xx, yy);
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int MouseOver(int xx, yy);
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int MouseScroll(dword scroll_state);
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int KeyDown();
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int KeyUp();
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int KeyHome();
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int KeyEnd();
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int KeyPgDown();
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int KeyPgUp();
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int KeyLeft();
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int KeyRight();
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void CheckDoesValuesOkey();
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void debug();
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};
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void llist::debug()
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{
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char yi[128];
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sprintf(#yi, "%s %d %s %d %s %d %s %d %s %d %s %d", "first:", first, "visible:", visible, "count:", count, "col_max:", column_max, "cur_y:", cur_y, "cur_x:", cur_x);
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debugln(#yi);
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}
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void llist::ClearList()
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{
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count = visible = first = cur_y = cur_x = 0;
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}
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void llist::SetSizes(int xx, yy, ww, hh, item_hh)
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{
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x = xx;
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y = yy;
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w = ww;
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h = hh;
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item_h = item_hh;
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text_y = item_h - font_h / 2;
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visible = h / item_h;
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wheel_size = 3;
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CheckDoesValuesOkey();
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}
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void llist::SetFont(dword font_ww, font_hh, font_tt)
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{
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font_w = font_ww;
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font_h = font_hh;
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font_type = font_tt;
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}
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int llist::MouseScroll(dword scroll_state)
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{
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if (count<=visible) return 0;
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if (scroll_state == 65535)
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{
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if (first == 0) return 0;
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if (first > wheel_size+1) first -= wheel_size; else first=0;
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return 1;
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}
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if (scroll_state == 1)
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{
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if (visible + first == count) return 0;
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if (visible+first+wheel_size+1 > count) first = count - visible; else first+=wheel_size;
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return 1;
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}
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return 0;
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}
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int llist::MouseOver(int xx, yy)
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{
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if (xx>x) && (xx<x+w) && (yy>y) && (yy<y+h) return 1;
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return 0;
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}
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int llist::ProcessMouse(int xx, yy)
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{
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int cur_y_temp, cur_x_temp, ret=0;
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if (MouseOver(xx, yy))
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{
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cur_y_temp = yy - y / item_h + first;
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if (cur_y_temp != cur_y) && (cur_y_temp<count)
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{
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cur_y = cur_y_temp;
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ret = 1;
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}
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if (horisontal_selelection)
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{
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cur_x_temp = xx - x / item_w;
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if (cur_x_temp != cur_x) && (cur_x_temp<column_max)
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{
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cur_x = cur_x_temp;
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ret = 1;
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}
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}
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}
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return ret;
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}
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int llist::ProcessKey(dword key)
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{
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switch(key)
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{
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case SCAN_CODE_DOWN: return KeyDown();
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case SCAN_CODE_UP: return KeyUp();
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case SCAN_CODE_HOME: return KeyHome();
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case SCAN_CODE_END: return KeyEnd();
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case SCAN_CODE_PGUP: return KeyPgUp();
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case SCAN_CODE_PGDN: return KeyPgDown();
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}
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if (horisontal_selelection) switch(key)
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{
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case SCAN_CODE_LEFT: return KeyLeft();
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case SCAN_CODE_RIGHT: return KeyRight();
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}
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return 0;
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}
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int llist::KeyDown()
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{
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if (no_selection)
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{
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if (visible + first >= count) return 0;
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first++;
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return 1;
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}
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if (cur_y-first+1<visible)
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{
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if (cur_y + 1 >= count) return 0;
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cur_y++;
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}
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else
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{
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if (visible + first >= count) return 0;
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first++;
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cur_y++;
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}
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if (cur_y < first) || (cur_y > first + visible)
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{
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first = cur_y;
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CheckDoesValuesOkey();
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}
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return 1;
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}
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int llist::KeyUp()
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{
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if (no_selection)
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{
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if (first == 0) return 0;
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first--;
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return 1;
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}
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if (cur_y > first)
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{
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cur_y--;
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}
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else
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{
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if (first == 0) return 0;
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first--;
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cur_y--;
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}
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if (cur_y < first) || (cur_y > first + visible)
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{
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first = cur_y;
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CheckDoesValuesOkey();
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}
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return 1;
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}
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int llist::KeyHome()
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{
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if (cur_y==0) && (first==0) return 0;
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cur_y = first = 0;
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return 1;
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}
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int llist::KeyEnd()
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{
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if (cur_y==count-1) && (first==count-visible) return 0;
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cur_y = count-1;
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first = count - visible;
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return 1;
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}
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int llist::KeyPgUp()
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{
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if (count <= visible) return KeyHome();
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if (first == 0) return 0;
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first -= visible;
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cur_y = first;
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CheckDoesValuesOkey();
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return 1;
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}
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int llist::KeyPgDown()
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{
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if (count <= visible) return KeyEnd();
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if (first == count - visible) return 0;
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first += visible;
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cur_y = first + visible - 1;
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CheckDoesValuesOkey();
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return 1;
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}
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void llist::CheckDoesValuesOkey()
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{
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if (visible + first > count) first = count - visible;
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if (first < 0) first = 0;
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if (cur_y >= count) cur_y = count - 1;
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if (cur_y < 0) cur_y = 0;
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if (cur_x < 0) cur_x = 0;
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}
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int llist::KeyRight()
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{
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if (cur_x < column_max)
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{
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cur_x++;
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}
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else
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{
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if (!KeyDown()) return 0;
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cur_x = 0;
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}
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return 1;
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}
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int llist::KeyLeft()
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{
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if (cur_x > 0)
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{
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cur_x--;
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}
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else
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{
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if (!KeyUp()) return 0;
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cur_x = column_max;
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}
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return 1;
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}
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void llist_copy(dword dest, src)
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{
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EDI = dest;
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ESI = src;
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EDI.llist.x = ESI.llist.x;
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EDI.llist.y = ESI.llist.y;
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EDI.llist.w = ESI.llist.w;
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EDI.llist.h = ESI.llist.h;
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EDI.llist.item_h = ESI.llist.item_h;
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EDI.llist.text_y = ESI.llist.text_y;
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EDI.llist.font_w = ESI.llist.font_w;
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EDI.llist.font_h = ESI.llist.font_h;
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EDI.llist.font_type = ESI.llist.font_type;
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EDI.llist.count = ESI.llist.count;
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EDI.llist.visible = ESI.llist.visible;
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EDI.llist.first = ESI.llist.first;
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EDI.llist.cur_y = ESI.llist.cur_y;
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EDI.llist.column_max = ESI.llist.column_max;
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EDI.llist.active = ESI.llist.active;
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}
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#endif |