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Added TextLink(), TextLinkOpenURL() hyperlink widgets. (#7660)

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ocornut
2024-07-02 16:58:07 +02:00
parent 0f63d3e916
commit 5496050f5f
7 changed files with 96 additions and 2 deletions
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71
imgui_widgets.cpp
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@@ -422,6 +422,7 @@ void ImGui::BulletTextV(const char* fmt, va_list args)
// - RadioButton()
// - ProgressBar()
// - Bullet()
// - Hyperlink()
//-------------------------------------------------------------------------
// The ButtonBehavior() function is key to many interactions and used by many/most widgets.
@@ -1370,6 +1371,76 @@ void ImGui::Bullet()
SameLine(0, style.FramePadding.x * 2.0f);
}
// This is provided as a convenience for being an often requested feature.
// FIXME-STYLE: we delayed adding as there is a larger plan to revamp the styling system.
// Because of this we currently don't provide many styling options for this widget
// (e.g. hovered/active colors are automatically inferred from a single color).
bool ImGui::TextLink(const char* label)
{
ImGuiWindow* window = GetCurrentWindow();
if (window->SkipItems)
return false;
ImGuiContext& g = *GImGui;
const ImGuiID id = window->GetID(label);
const char* label_end = FindRenderedTextEnd(label);
ImVec2 pos = window->DC.CursorPos;
ImVec2 size = CalcTextSize(label, label_end, true);
ImRect bb(pos, pos + size);
ItemSize(size, 0.0f);
if (!ItemAdd(bb, id))
return false;
bool hovered, held;
bool pressed = ButtonBehavior(bb, id, &hovered, &held);
RenderNavHighlight(bb, id, ImGuiNavHighlightFlags_None);
ImVec4 text_colf = g.Style.Colors[ImGuiCol_TextLink];
ImVec4 line_colf = text_colf;
{
// FIXME-STYLE: Read comments above. This widget is NOT written in the same style as some earlier widgets,
// as we are currently experimenting/planning a different styling system.
float h, s, v;
ColorConvertRGBtoHSV(text_colf.x, text_colf.y, text_colf.z, h, s, v);
if (held || hovered)
{
v = ImSaturate(v + (held ? 0.4f : 0.3f));
h = ImFmod(h + 0.02f, 1.0f);
}
ColorConvertHSVtoRGB(h, s, v, text_colf.x, text_colf.y, text_colf.z);
v = ImSaturate(v - 0.20f);
ColorConvertHSVtoRGB(h, s, v, line_colf.x, line_colf.y, line_colf.z);
}
float line_y = bb.Max.y + ImFloor(g.Font->Descent * g.FontScale * 0.20f);
window->DrawList->AddLine(ImVec2(bb.Min.x, line_y), ImVec2(bb.Max.x, line_y), GetColorU32(line_colf)); // FIXME-TEXT: Underline mode.
PushStyleColor(ImGuiCol_Text, GetColorU32(text_colf));
RenderText(bb.Min, label, label_end);
PopStyleColor();
IMGUI_TEST_ENGINE_ITEM_INFO(id, label, g.LastItemData.StatusFlags);
return pressed;
}
void ImGui::TextLinkOpenURL(const char* label, const char* url)
{
ImGuiContext& g = *GImGui;
if (url == NULL)
url = label;
if (TextLink(label))
if (g.IO.PlatformOpenInShellFn != NULL)
g.IO.PlatformOpenInShellFn(&g, url);
SetItemTooltip("%s", url); // It is more reassuring for user to _always_ display URL when we same as label
if (BeginPopupContextItem())
{
if (MenuItem(LocalizeGetMsg(ImGuiLocKey_CopyLink)))
SetClipboardText(url);
EndPopup();
}
}
//-------------------------------------------------------------------------
// [SECTION] Widgets: Low-level Layout helpers
//-------------------------------------------------------------------------