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FAQ update, removed redundant block in imgui.cpp

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omar
2020-06-25 16:44:06 +02:00
parent fed80b9537
commit 45a7cf47ab
3 changed files with 19 additions and 127 deletions
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5
docs/CHANGELOG.txt
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@ -36,12 +36,13 @@ HOW TO UPDATE?
Breaking Changes:
- Removed unncessary ID (first arg) of ImFontAtlas::AddCustomRectRegular() function. Please
- Removed unnecessary ID (first arg) of ImFontAtlas::AddCustomRectRegular() function. Please
note that this is a Beta api and will likely be reworked to support multi-monitor multi-DPI.
- Renamed OpenPopupOnItemClick() to OpenPopupContextItem(). Kept inline redirection function (will obsolete).
- Removed BeginPopupContextWindow(const char*, int mouse_button, bool also_over_items) in favor
of BeginPopupContextWindow(const char*, ImGuiPopupFlags flags) with ImGuiPopupFlags_NoOverItems.
- Removed CalcItemRectClosestPoint() entry point which was made obsolete and asserting in December 2017.
Kept inline redirection function (will obsolete).
- Removed obsoleted CalcItemRectClosestPoint() entry point (has been asserting since December 2017).
Other Changes:

13
docs/FAQ.md
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@ -23,7 +23,7 @@ or view this file with any Markdown viewer.
| [I integrated Dear ImGui in my engine and some elements are clipping or disappearing when I move windows around..](#q-i-integrated-dear-imgui-in-my-engine-and-some-elements-are-clipping-or-disappearing-when-i-move-windows-around) |
| [I integrated Dear ImGui in my engine and some elements are displaying outside their expected windows boundaries..](#q-i-integrated-dear-imgui-in-my-engine-and-some-elements-are-displaying-outside-their-expected-windows-boundaries) |
| **Q&A: Usage** |
| **[Why are multiple widgets reacting when I interact with a single one?<br>How can I have multiple widgets with the same label or with an empty label?](#q-why-are-multiple-widgets-reacting-when-i-interact-with-a-single-one-q-how-can-i-have-multiple-widgets-with-the-same-label-or-with-an-empty-label)** |
| **[How can I have widgets with an empty label?<br>How can I have multiple widgets with the same label?<br>Why are multiple widgets reacting when I interact with one?](#q-how-can-i-have-widgets-with-an-empty-label)** |
| [How can I display an image? What is ImTextureID, how does it work?](#q-how-can-i-display-an-image-what-is-imtextureid-how-does-it-work)|
| [How can I use my own math types instead of ImVec2/ImVec4?](#q-how-can-i-use-my-own-math-types-instead-of-imvec2imvec4) |
| [How can I interact with standard C++ types (such as std::string and std::vector)?](#q-how-can-i-interact-with-standard-c-types-such-as-stdstring-and-stdvector) |
@ -173,7 +173,9 @@ Refer to rendering back-ends in the [examples/](https://github.com/ocornut/imgui
# Q&A: Usage
### Q: Why are multiple widgets reacting when I interact with a single one? <br>Q: How can I have multiple widgets with the same label or with an empty label?
### Q: How can I have widgets with an empty label?
### Q: How can I have multiple widgets with the same label?
### Q: Why are multiple widgets reacting when I interact with one?
A primer on labels and the ID Stack...
@ -295,11 +297,12 @@ if (TreeNode("node")) // <-- this function call will do a PushID() for you (unl
TreePop();
}
```
- When working with trees, ID are used to preserve the open/close state of each tree node.
When working with trees, ID are used to preserve the open/close state of each tree node.
Depending on your use cases you may want to use strings, indices or pointers as ID.
e.g. when following a single pointer that may change over time, using a static string as ID
- e.g. when following a single pointer that may change over time, using a static string as ID
will preserve your node open/closed state when the targeted object change.
e.g. when displaying a list of objects, using indices or pointers as ID will preserve the
- e.g. when displaying a list of objects, using indices or pointers as ID will preserve the
node open/closed state differently. See what makes more sense in your situation!
##### [Return to Index](#index)