| … | |
… | |
| 944 | |
944 | |
| 945 | ############################################################################# |
945 | ############################################################################# |
| 946 | |
946 | |
| 947 | package CFPlus::UI::ViewPort; |
947 | package CFPlus::UI::ViewPort; |
| 948 | |
948 | |
|
|
949 | use List::Util qw(min max); |
|
|
950 | |
| 949 | our @ISA = CFPlus::UI::Window::; |
951 | our @ISA = CFPlus::UI::Window::; |
| 950 | |
952 | |
| 951 | sub new { |
953 | sub new { |
| 952 | my $class = shift; |
954 | my $class = shift; |
| 953 | |
955 | |
| … | |
… | |
| 984 | } |
986 | } |
| 985 | |
987 | |
| 986 | sub set_offset { |
988 | sub set_offset { |
| 987 | my ($self, $x, $y) = @_; |
989 | my ($self, $x, $y) = @_; |
| 988 | |
990 | |
|
|
991 | my $x = max 0, min $self->child->{w} - $self->{w}, int $x; |
|
|
992 | my $y = max 0, min $self->child->{h} - $self->{h}, int $y; |
|
|
993 | |
|
|
994 | if ($x != $self->{view_x} or $y != $self->{view_y}) { |
| 989 | $self->{view_x} = int $x; |
995 | $self->{view_x} = $x; |
| 990 | $self->{view_y} = int $y; |
996 | $self->{view_y} = $y; |
| 991 | |
997 | |
|
|
998 | $self->emit (changed => $x, $y); |
| 992 | $self->update; |
999 | $self->update; |
|
|
1000 | } |
| 993 | } |
1001 | } |
| 994 | |
1002 | |
| 995 | # hmm, this does not work for topleft of $self... but we should not ask for that |
1003 | # hmm, this does not work for topleft of $self... but we should not ask for that |
| 996 | sub coord2local { |
1004 | sub coord2local { |
| 997 | my ($self, $x, $y) = @_; |
1005 | my ($self, $x, $y) = @_; |
| … | |
… | |
| 1072 | row_expand => [1, 0], |
1080 | row_expand => [1, 0], |
| 1073 | %arg, |
1081 | %arg, |
| 1074 | ); |
1082 | ); |
| 1075 | |
1083 | |
| 1076 | $self->{vp} = new CFPlus::UI::ViewPort |
1084 | $self->{vp} = new CFPlus::UI::ViewPort |
| 1077 | expand => 1, |
1085 | expand => 1, |
| 1078 | scroll_x => $self->{scroll_x}, |
1086 | scroll_x => $self->{scroll_x}, |
| 1079 | scroll_y => $self->{scroll_y}, |
1087 | scroll_y => $self->{scroll_y}, |
|
|
1088 | on_changed => sub { |
|
|
1089 | my ($vp, $x, $y) = @_; |
|
|
1090 | |
|
|
1091 | $vp->{parent}{hslider}->set_value ($x); |
|
|
1092 | $vp->{parent}{vslider}->set_value ($y); |
|
|
1093 | |
|
|
1094 | 0 |
|
|
1095 | }, |
| 1080 | ; |
1096 | ; |
| 1081 | |
1097 | |
| 1082 | $self->SUPER::add (0, 0, $self->{vp}); |
1098 | $self->SUPER::add (0, 0, $self->{vp}); |
| 1083 | |
1099 | |
| 1084 | $self->add ($child) if $child; |
1100 | $self->add ($child) if $child; |
| … | |
… | |
| 1090 | |
1106 | |
| 1091 | sub add { |
1107 | sub add { |
| 1092 | my ($self, $widget) = @_; |
1108 | my ($self, $widget) = @_; |
| 1093 | |
1109 | |
| 1094 | $self->{vp}->add ($self->{child} = $widget); |
1110 | $self->{vp}->add ($self->{child} = $widget); |
| 1095 | } |
|
|
| 1096 | |
|
|
| 1097 | sub invoke_mouse_wheel { |
|
|
| 1098 | my ($self, $ev) = @_; |
|
|
| 1099 | |
|
|
| 1100 | return 0 unless $ev->{dy}; # only vertical movements for now |
|
|
| 1101 | |
|
|
| 1102 | $self->{vslider}->emit (mouse_wheel => $ev); |
|
|
| 1103 | |
|
|
| 1104 | 1 |
|
|
| 1105 | } |
1111 | } |
| 1106 | |
1112 | |
| 1107 | sub update_slider { |
1113 | sub update_slider { |
| 1108 | my ($self) = @_; |
1114 | my ($self) = @_; |
| 1109 | |
1115 | |
| … | |
… | |
| 1131 | sub update { |
1137 | sub update { |
| 1132 | my ($self) = @_; |
1138 | my ($self) = @_; |
| 1133 | |
1139 | |
| 1134 | $self->SUPER::update; |
1140 | $self->SUPER::update; |
| 1135 | $self->update_slider; |
1141 | $self->update_slider; |
|
|
1142 | } |
|
|
1143 | |
|
|
1144 | sub invoke_mouse_wheel { |
|
|
1145 | my ($self, $ev) = @_; |
|
|
1146 | |
|
|
1147 | return 0 unless $ev->{dy}; # only vertical movements for now |
|
|
1148 | |
|
|
1149 | $self->{vslider}->emit (mouse_wheel => $ev); |
|
|
1150 | |
|
|
1151 | 1 |
|
|
1152 | } |
|
|
1153 | |
|
|
1154 | sub invoke_button_down { |
|
|
1155 | my ($self, $ev, $x, $y) = @_; |
|
|
1156 | |
|
|
1157 | if ($ev->{button} == 2) { |
|
|
1158 | $self->grab_focus; |
|
|
1159 | |
|
|
1160 | my $ox = $self->{vp}{view_x} + $ev->{x}; |
|
|
1161 | my $oy = $self->{vp}{view_y} + $ev->{y}; |
|
|
1162 | |
|
|
1163 | $self->{motion} = sub { |
|
|
1164 | my ($ev, $x, $y) = @_; |
|
|
1165 | |
|
|
1166 | $self->{vp}->set_offset ($ox - $ev->{x}, $oy - $ev->{y}); |
|
|
1167 | $self->update; |
|
|
1168 | }; |
|
|
1169 | |
|
|
1170 | return 1; |
|
|
1171 | } |
|
|
1172 | |
|
|
1173 | 0 |
|
|
1174 | } |
|
|
1175 | |
|
|
1176 | sub invoke_button_up { |
|
|
1177 | my ($self, $ev, $x, $y) = @_; |
|
|
1178 | |
|
|
1179 | if (delete $self->{motion}) { |
|
|
1180 | return 1; |
|
|
1181 | } |
|
|
1182 | |
|
|
1183 | 0 |
|
|
1184 | } |
|
|
1185 | |
|
|
1186 | sub invoke_mouse_motion { |
|
|
1187 | my ($self, $ev, $x, $y) = @_; |
|
|
1188 | |
|
|
1189 | if ($self->{motion}) { |
|
|
1190 | $self->{motion}->($ev, $x, $y); |
|
|
1191 | return 1; |
|
|
1192 | } |
|
|
1193 | |
|
|
1194 | 0 |
| 1136 | } |
1195 | } |
| 1137 | |
1196 | |
| 1138 | sub invoke_size_allocate { |
1197 | sub invoke_size_allocate { |
| 1139 | my ($self, $w, $h) = @_; |
1198 | my ($self, $w, $h) = @_; |
| 1140 | |
1199 | |
