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Michael Natterer authored
2002-02-17 Michael Natterer <mitch@gimp.org> Fixed #34633 (wheel mouse zooming leaves straigth-line helpline on image) and maybe some other stuff caused by the misbehaviour described below: * app/tools/tools-types.h * app/tools/tool_manager.c (tool_manager_control_active): Removed the "PAUSED" ToolState. The possible state transitions were INACTIVE <-> ACTIVE <-> PAUSED, where the ACTIVE <-> PAUSED transition was done only in the tool_manager, causing the tools's control() never to be called when the tool was INACTIVE. The GimpPaintTool however wants to draw on the display when it's INACTIVE, and of course wants to be suspended/resumed correctly while fiddling with display repainting/scaling/... The PAUSED state was also redundant information, since (tool->paused_count > 0) is the same information (only more correct and independent of tool activity). * app/display/gimpdisplayshell-scale.[ch]: suspend/resume the active tool around _all_ changes to the display's "scale" and "offset" fields. Added new function gimp_display_shell_scale_by_values() which does that and is called from all places which need to change these values. * app/tools/gimpmagnifytool.c: changed accordingly. Unrelated stuff: * app/paint/gimpairbrush.c: added a #warning FIXME. * app/tools/gimpdrawtool.c: made a warning more verbose. * app/tools/gimppainttool.c: put one more drawable offset calculation in { .. }, will make a utility function out of it...
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