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Cache widths of strings in SetColumnWidths

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This commit is contained in:
Thomas Goyne 2013-09-16 10:43:21 -07:00
parent 079ccc728d
commit 5787ca4ae0
1 changed files with 32 additions and 13 deletions
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45
aegisub/src/base_grid.cpp
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@ -34,16 +34,6 @@
#include "config.h"
#include <algorithm>
#include <cmath>
#include <iterator>
#include <numeric>
#include <wx/dcbuffer.h>
#include <wx/kbdstate.h>
#include <wx/menu.h>
#include <wx/sizer.h>
#include "base_grid.h"
#include "include/aegisub/context.h"
@ -64,6 +54,17 @@
#include <libaegisub/of_type_adaptor.h>
#include <algorithm>
#include <cmath>
#include <iterator>
#include <numeric>
#include <unordered_map>
#include <wx/dcbuffer.h>
#include <wx/kbdstate.h>
#include <wx/menu.h>
#include <wx/sizer.h>
enum {
GRID_SCROLLBAR = 1730,
MENU_SHOW_COL = 1250 // Needs 15 IDs after this
@ -86,6 +87,15 @@ static inline void set_difference(const S1 &src1, const S2 &src2, D &dst) {
std::inserter(dst, dst.begin()));
}
namespace std {
template <typename T>
struct hash<boost::flyweight<T>> {
size_t operator()(boost::flyweight<T> const& ss) const {
return hash<const void*>()(&ss.get());
}
};
}
BaseGrid::BaseGrid(wxWindow* parent, agi::Context *context, const wxSize& size, long style, const wxString& name)
: wxWindow(parent, -1, wxDefaultPosition, size, style, name)
, lineHeight(1) // non-zero to avoid div by 0
@ -837,6 +847,15 @@ void BaseGrid::SetColumnWidths() {
if (!byFrame)
startLen = endLen = dc.GetTextExtent(to_wx(AssTime().GetAssFormated())).GetWidth();
std::unordered_map<boost::flyweight<std::string>, int> widths;
auto get_width = [&](boost::flyweight<std::string> const& str) -> int {
auto it = widths.find(str);
if (it != end(widths)) return it->second;
int width = dc.GetTextExtent(to_wx(str)).GetWidth();
widths[str] = width;
return width;
};
// O(n) widths
bool showMargin[3] = { false, false, false };
int styleLen = 0;
@ -849,9 +868,9 @@ void BaseGrid::SetColumnWidths() {
AssDialogue *curDiag = GetDialogue(i);
maxLayer = std::max(maxLayer, curDiag->Layer);
actorLen = std::max(actorLen, dc.GetTextExtent(to_wx(curDiag->Actor)).GetWidth());
styleLen = std::max(styleLen, dc.GetTextExtent(to_wx(curDiag->Style)).GetWidth());
effectLen = std::max(effectLen, dc.GetTextExtent(to_wx(curDiag->Effect)).GetWidth());
actorLen = std::max(actorLen, get_width(curDiag->Actor));
styleLen = std::max(styleLen, get_width(curDiag->Style));
effectLen = std::max(effectLen, get_width(curDiag->Effect));
// Margins
for (int j = 0; j < 3; j++) {