(2/5) Multiple Issues: Snap monitors after mouse button release #181
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This is a prep PR needed for the following PRs: - snap widgets after mouse button release - close gaps after mouse button release - fix intersects after mouse button release - align display_widget edges/center Changes in this PR - change the meaning of display_widget.delta: from distance of in widget units to distance in monitor/pixel units The expression ```vala delta_x = (int)(event.x_root - start_x); delta_y = (int)(event.y_root - start_y); ``` led to the loss of information and as the distance in widgets units is always less than the distance in monitor units. There no 1-to-1 mapping was possible. With the expression ```vala display_widget.delta_x = (int) (diff_x / current_ratio); display_widget.delta_y = (int) (diff_y / current_ratio); ``` a 1-to-1 mapping between the widget units and monitor units is possible as the integer cast happens after the float division! - rename move_display to end_grab as the signal is only emitted when the mouse button is released - introduce new signal called `move_display` which is emitted when widget is moved
- a more concise widget snapping algorithm - also fixes some issues when the widgets were perfectly aligned
This was referenced Aug 27, 2019
…ors_after_mouse_button_release
…hub.com:andreasfelix/switchboard-plug-display into 2_of_5_snap_monitors_after_mouse_button_release
…hub.com:andreasfelix/switchboard-plug-display into 2_of_5_snap_monitors_after_mouse_button_release
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I am reviewing #182 which incorporates this PR. I do not think this PR does needs to be merged separately. |
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@jeremypw, I just wanted to point out, that in #177 danielrabbit asked to split the PR into smaller different PRs:
Wouldn't it then not also make sense to merge them separately? |
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OK, I see you have backported the relevant changes from the 3/5 review so I guess I can merge them separately. |
jeremypw
approved these changes
Sep 29, 2019
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(2/5) Split up #177 in different PRs:
Needs to be merged after #180
Changes in this PR:
Shows that it is now possible to perfectly align montiors. The magnetic edges will be introduced in (5/5).
