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authorNoel Grandin <noelgrandin@gmail.com>2021-08-08 21:08:37 +0200
committerNoel Grandin <noel.grandin@collabora.co.uk>2021-08-08 22:32:12 +0200
commit2c1ae17421af0fc0e398b66bc2a07f27977a5bf0 (patch)
tree3280843e618053ff16d8e8be9a4baf40cd42bb88 /include/vcl/ctrl.hxx
parent12dd1ce1dddc4ebad6be94ddec167cc7f6c45fe3 (diff)
no need to allocate ControlLayoutData separately
Change-Id: I239befdaa05beea5200c81f23d0af861c9fc3baa Reviewed-on: https://gerrit.libreoffice.org/c/core/+/120177 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
Diffstat (limited to 'include/vcl/ctrl.hxx')
-rw-r--r--include/vcl/ctrl.hxx55
1 files changed, 52 insertions, 3 deletions
diff --git a/include/vcl/ctrl.hxx b/include/vcl/ctrl.hxx
index cde59c6f9e0f..a6797cc734bb 100644
--- a/include/vcl/ctrl.hxx
+++ b/include/vcl/ctrl.hxx
@@ -20,19 +20,68 @@
#ifndef INCLUDED_VCL_CTRL_HXX
#define INCLUDED_VCL_CTRL_HXX
+#include <rtl/ustring.hxx>
#include <tools/link.hxx>
+#include <tools/gen.hxx>
#include <vcl/dllapi.h>
#include <vcl/window.hxx>
-#include <memory>
+#include <optional>
+#include <vector>
// forward
class StyleSettings;
-namespace vcl { struct ControlLayoutData; }
+class Control;
+
+namespace vcl
+{
+
+struct VCL_DLLPUBLIC ControlLayoutData
+{
+ // contains the string really displayed
+ // there must be exactly one bounding rectangle in m_aUnicodeBoundRects
+ // for every character in m_aDisplayText
+ OUString m_aDisplayText;
+ // the bounding rectangle of every character
+ // where one character may consist of many glyphs
+ std::vector< tools::Rectangle > m_aUnicodeBoundRects;
+ // start indices of lines
+ std::vector< tools::Long > m_aLineIndices;
+ // notify parent control on destruction
+ VclPtr<const Control> m_pParent;
+
+ ControlLayoutData();
+ ~ControlLayoutData();
+
+ tools::Rectangle GetCharacterBounds( tools::Long nIndex ) const;
+ // returns the character index for corresponding to rPoint (in control coordinates)
+ // -1 is returned if no character is at that point
+ tools::Long GetIndexForPoint( const Point& rPoint ) const;
+ // returns the number of lines in the result of GetDisplayText()
+ tools::Long GetLineCount() const;
+ // returns the interval [start,end] of line nLine
+ // returns [-1,-1] for an invalid line
+ ::Pair GetLineStartEnd( tools::Long nLine ) const;
+ /** ToRelativeLineIndex changes a layout data index to a count relative to its line.
+
+ This is equivalent to getting the line start/end pairs with
+ GetLineStartEnd until the index lies within [start,end] of a line
+
+ @param nIndex
+ the absolute index inside the display text to be changed to a relative index
+
+ @returns
+ the relative index inside the displayed line or -1 if the absolute index does
+ not match any line
+ */
+ tools::Long ToRelativeLineIndex( tools::Long nIndex ) const;
+};
+
+} // namespace vcl
class VCL_DLLPUBLIC Control : public vcl::Window
{
protected:
- mutable std::unique_ptr<vcl::ControlLayoutData> mpLayoutData;
+ mutable std::optional<vcl::ControlLayoutData> mxLayoutData;
VclPtr<OutputDevice> mpReferenceDevice;
private: