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Issue 233: Added mouse panning. Default is 'space' for new users, others need pick a key in Help screen.

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git-svn-id: svn://pulkomandy.tk/GrafX2/trunk@1901 416bcca6-2ee7-4201-b75f-2eb2f807beb1
This commit is contained in:
Yves Rizoud
2012-02-01 00:56:21 +00:00
parent 46f2ec9475
commit cbcb7a6b8f
11 changed files with 155 additions and 7 deletions
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90
src/operatio.c
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@@ -70,6 +70,7 @@ void Start_operation_stack(word new_operation)
case OPERATION_GRAB_BRUSH:
case OPERATION_POLYBRUSH:
case OPERATION_STRETCH_BRUSH:
case OPERATION_PAN_VIEW:
Operation_before_interrupt=Current_operation;
// On passe à l'operation demandée
Current_operation=new_operation;
@@ -4031,3 +4032,92 @@ void Centered_lines_0_7(void)
Operation_push(Paintbrush_Y);
}
///////////////////////////////////////////////////////////// OPERATION_PAN_VIEW
void Pan_view_0_0(void)
// Opération : OPERATION_PAN_VIEW
// Click Souris: 0
// Taille_Pile : 0
//
// Souris effacée: Non
{
if (Pan_shortcut_pressed)
{
Print_coordinates();
}
else
{
// End of operation, return to previous
Hide_cursor();
Start_operation_stack(Operation_before_interrupt);
Display_cursor();
}
}
void Pan_view_12_0(void)
// Opération : OPERATION_PAN_VIEW
// Click Souris: 1 ou 2
// Taille_Pile : 0
//
// Souris effacée: Non
// First time the user clicks
{
Init_start_operation();
Operation_push(Paintbrush_X);
Operation_push(Paintbrush_Y);
}
void Pan_view_12_2(void)
// Opération : OPERATION_PAN_VIEW
// Click Souris: 1 ou 2
// Taille_Pile : 2
//
// Souris effacée: Non
// While dragging view
{
short start_x;
short start_y;
Operation_pop(&start_y);
Operation_pop(&start_x);
if (Paintbrush_X!=start_x || Paintbrush_Y!=start_y)
{
// User moved
if (Main_magnifier_mode)
Scroll_magnifier(start_x-Paintbrush_X,start_y-Paintbrush_Y);
else
Scroll_screen(start_x-Paintbrush_X,start_y-Paintbrush_Y);
}
// The "scroll" functions have actualized the Paintbrush_X and Y
Operation_push(Paintbrush_X);
Operation_push(Paintbrush_Y);
}
void Pan_view_0_2(void)
// Opération : OPERATION_PAN_VIEW
// Click Souris: 0
// Taille_Pile : 2
//
// Souris effacée: Non
// When releasing after dragging
{
short start_x;
short start_y;
Operation_pop(&start_y);
Operation_pop(&start_x);
if (!Pan_shortcut_pressed)
{
// End of operation, return to previous
Hide_cursor();
Start_operation_stack(Operation_before_interrupt);
Display_cursor();
}
}