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Fix bug using uninitialized prev_x and prev_y values in Editor::editor_click.

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This commit is contained in:
David Capello 2010-12-10 22:54:40 -03:00
parent b231be51e1
commit 06be16ad59
1 changed files with 6 additions and 7 deletions
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13
src/widgets/editor/click.cpp
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@ -81,8 +81,8 @@ void Editor::editor_click_done()
clear_keybuf();
}
/* returns false when the user stop the click-loop: releases the
button or press the second click (depend of the mode) */
// Returns false when the user stop the click-loop: releases the
// button or press the second click (depend of the mode)
int Editor::editor_click(int *x, int *y, int *update,
void (*scroll_callback) (int before_change))
{
@ -106,8 +106,7 @@ int Editor::editor_click(int *x, int *y, int *update,
*update = jmouse_poll();
if (!editor_cursor_is_subpixel())
screen_to_editor(click_last_x, click_last_y, &prev_x, &prev_y);
screen_to_editor(click_last_x, click_last_y, &prev_x, &prev_y);
click_prev_last_b = click_last_b;
@ -154,13 +153,13 @@ int Editor::editor_click(int *x, int *y, int *update,
(*scroll_callback)(false);
}
/* if the cursor hasn't subpixel movement */
// If the cursor hasn't subpixel movement
if (!editor_cursor_is_subpixel()) {
/* check if the mouse change to other pixel of the sprite */
// Check if the mouse change to other pixel of the sprite
*update = ((prev_x != *x) || (prev_y != *y));
}
else {
/* check if the mouse change to other pixel of the screen */
// Check if the mouse change to other pixel of the screen
*update = ((prev_x != click_last_x) || (prev_y != click_last_y));
}