diff options
Diffstat (limited to 'devdoc/dw-size-request-pos.doc')
| -rw-r--r-- | devdoc/dw-size-request-pos.doc | 33 |
1 files changed, 17 insertions, 16 deletions
diff --git a/devdoc/dw-size-request-pos.doc b/devdoc/dw-size-request-pos.doc index fddf76c8..88e51097 100644 --- a/devdoc/dw-size-request-pos.doc +++ b/devdoc/dw-size-request-pos.doc @@ -6,9 +6,6 @@ dw-widget-sizes, \ref dw-grows, and **Size requisitions depending on positions** (this document).</div> -<div style="border: 2px solid #ff4040; margin: 1em 0; - padding: 0.5em 1em; background-color: #fff0f0"><b>Info:</b> - May not be up to date, needs a review.</div> Motivation ========== @@ -99,18 +96,21 @@ Currently, the size of a widget has to be recalculated, when 1. it has called dw::core::Widget::queueResize, or 2. the size of a child widget has to be recalculated. -Since for this new approach, the size does not only depend on the size -of the children, the second condition must be modified. However, -regarding changes of the position is not sufficient. Consider this -example, where a float size changes as soon as the image is loaded: +Since for this new approach, the size does not only depend on the size of the +children, the second condition must be modified. See beginning of +dw::core::Widget::sizeRequest. -\image html dw-size-request-pos-01.png +Regarding changes of the position is not sufficient. Consider this example, +where a float size changes as soon as the image is loaded: -The second paragraph ("A longer paragraph" ...) stays at the same -position, both absolute and relative to the float container, but has -to be rewrapped because of the float. +\image html dw-size-request-pos-01.png -(TODO: A detailed design is yet to de developed.) +The second paragraph ("A longer paragraph" ...) stays at the same position, both +absolute and relative to the float container, but has to be rewrapped because of +the float. Instead, this is handled by dw::oof::OutOfFlowMgr::markSizeChange +(and likewise dw::oof::OutOfFlowMgr::markExtremesChange), which is called by the +implementation of `markSizeChange` (or `markExtremesChange`, respectively) of +the OOF container. (See also the end of the comment of dw::oof::OOFAwareWidget.) Plan @@ -119,8 +119,7 @@ Plan 1. General design (dw::core::Widget::sizeRequestReference, changes to dw::core::Widget::sizeRequest). Completed. -2. Implementation for dw::Textblock. Completed. (**TODO:** Check how the return - values of `get*Border` are used.) +2. Implementation for dw::Textblock. Completed. 3. Change interface of dw::oof::OutOfFlowMgr (this affects mostly only comments). Completed. @@ -139,10 +138,12 @@ Plan <b>Attention:</b> After this step, and before completing the next steps, the code is inconsistend and so incorrect. -5. Implement step 3 for floats (affects dw::oof::OOFFloatsMgr). **IN WORK.** +5. Implement step 3 for floats (affects dw::oof::OOFFloatsMgr). **MOSTLY + COMPLETED.** 6. Implement step 3 for positioned elements (affects only - dw::oof::OOFPositionedMgr). **INCOMPLETE.** + dw::oof::OOFPositionedMgr). **INCOMPLETE.** (But positioned elements are + currently deactivated.) Issues |