guicast/bcdragwindow.C

   1 #include "bcdragwindow.h"
   2 #include "bcpixmap.h"
   3
   4 #include "vframe.h"
   5 #include <unistd.h>
   6
   7 BC_DragWindow::BC_DragWindow(BC_WindowBase *parent_window,
   8         BC_Pixmap *pixmap,
   9         int icon_x,
  10         int icon_y)
  11  : BC_Popup(parent_window,
  12         icon_x,
  13         icon_y,
  14         pixmap->get_w(),
  15         pixmap->get_h(),
  16         -1,
  17         0,
  18         pixmap)
  19 {
  20         init_x = icon_x;
  21         init_y = icon_y;
  22         end_x = BC_INFINITY;
  23         end_y = BC_INFINITY;
  24         icon_offset_x = init_x - parent_window->get_abs_cursor_x(0);
  25         icon_offset_y = init_y - parent_window->get_abs_cursor_y(0);
  26 //printf("BC_DragWindow::BC_DragWindow 1 %d %d\n", icon_offset_x, icon_offset_y);
  27         do_animation = 1;
  28 }
  29
  30
  31 BC_DragWindow::BC_DragWindow(BC_WindowBase *parent_window,
  32         VFrame *frame,
  33         int icon_x,
  34         int icon_y)
  35  : BC_Popup(parent_window,
  36         icon_x,
  37         icon_y,
  38         frame->get_w(),
  39         frame->get_h(),
  40         -1,
  41         0,
  42         prepare_frame(frame, parent_window))
  43 {
  44         delete temp_frame;  // created in prepare_frame inside constructor
  45         init_x = icon_x;
  46         init_y = icon_y;
  47         end_x = BC_INFINITY;
  48         end_y = BC_INFINITY;
  49         icon_offset_x = init_x - parent_window->get_abs_cursor_x(0);
  50         icon_offset_y = init_y - parent_window->get_abs_cursor_y(0);
  51 //printf("BC_DragWindow::BC_DragWindow 1 %d %d\n", icon_offset_x, icon_offset_y);
  52         do_animation = 1;
  53 }
  54
  55 BC_DragWindow::~BC_DragWindow()
  56 {
  57 }
  58
  59 int BC_DragWindow::get_init_x(BC_WindowBase *parent_window, int icon_x)
  60 {
  61         int output_x, temp = 0;
  62         Window tempwin;
  63         XTranslateCoordinates(parent_window->top_level->display,
  64                 parent_window->win,
  65                 parent_window->top_level->rootwin,
  66                 icon_x,
  67                 temp,
  68                 &output_x,
  69                 &temp,
  70                 &tempwin);
  71         return output_x;
  72 }
  73
  74 int BC_DragWindow::get_init_y(BC_WindowBase *parent_window, int icon_y)
  75 {
  76         int output_y, temp = 0;
  77         Window tempwin;
  78         XTranslateCoordinates(parent_window->top_level->display,
  79                 parent_window->win,
  80                 parent_window->top_level->rootwin,
  81                 temp,
  82                 icon_y,
  83                 &temp,
  84                 &output_y,
  85                 &tempwin);
  86         return output_y;
  87 }
  88
  89 int BC_DragWindow::cursor_motion_event()
  90 {
  91         reposition_window(get_abs_cursor_x(0) + icon_offset_x,
  92                 get_abs_cursor_y(0) + icon_offset_y,
  93                 get_w(),
  94                 get_h());
  95         flush();
  96         return 1;
  97 }
  98
  99 int BC_DragWindow::get_offset_x()
 100 {
 101         return icon_offset_x;
 102 }
 103
 104 int BC_DragWindow::get_offset_y()
 105 {
 106         return icon_offset_y;
 107 }
 108
 109 int BC_DragWindow::drag_failure_event()
 110 {
 111         if(!do_animation) return 0;
 112
 113         if(end_x == BC_INFINITY)
 114         {
 115                 end_x = get_x();
 116                 end_y = get_y();
 117         }
 118
 119         for(int i = 0; i < 10; i++)
 120         {
 121                 int new_x = end_x + (init_x - end_x) * i / 10;
 122                 int new_y = end_y + (init_y - end_y) * i / 10;
 123
 124                 reposition_window(new_x,
 125                         new_y,
 126                         get_w(),
 127                         get_h());
 128                 flush();
 129                 usleep(1000);
 130         }
 131         return 0;
 132 }
 133
 134 void BC_DragWindow::set_animation(int value)
 135 {
 136         this->do_animation = value;
 137 }
 138
 139 BC_Pixmap *BC_DragWindow::prepare_frame(VFrame *frame, BC_WindowBase *parent_window)
 140 {
 141         temp_frame = 0;
 142
 143         if(frame->get_color_model() == BC_RGBA8888)
 144         {
 145                 temp_frame = new VFrame(*frame);
 146         }
 147         else
 148         {
 149                 temp_frame = new VFrame(0,
 150                                         frame->get_w(),
 151                                         frame->get_h(),
 152                                         BC_RGBA8888);
 153
 154                 cmodel_transfer(temp_frame->get_rows(),
 155                         frame->get_rows(),
 156                         0,
 157                         0,
 158                         0,
 159                         0,
 160                         0,
 161                         0,
 162                         0,
 163                         0,
 164                         frame->get_w(),
 165                         frame->get_h(),
 166                         0,
 167                         0,
 168                         temp_frame->get_w(),
 169                         temp_frame->get_h(),
 170                         frame->get_color_model(),
 171                         temp_frame->get_color_model(),
 172                         0,
 173                         frame->get_w(),
 174                         temp_frame->get_w());
 175         }
 176         temp_frame->get_rows()[(temp_frame->get_h() / 2)][(temp_frame->get_w() / 2) * 4 + 3] = 0;
 177         my_pixmap = new BC_Pixmap(parent_window,
 178                         temp_frame,
 179                         PIXMAP_ALPHA);
 180
 181         return (my_pixmap);
 182 }
 183
 184