Columns: Fixed one form of shearing during resizing columns with PreserveWidth enabled (there's another issue still). (#913, #125)

This commit is contained in:
omar 2017-08-20 19:30:57 +08:00
parent 9307631c90
commit e70d49ba1f
1 changed files with 19 additions and 15 deletions

View File

@ -9996,7 +9996,7 @@ void ImGui::SetColumnOffset(int column_index, float offset)
window->DC.ColumnsData[column_index].OffsetNorm = offset_norm; window->DC.ColumnsData[column_index].OffsetNorm = offset_norm;
if (preserve_width) if (preserve_width)
SetColumnOffset(column_index+1, offset + ImMax(g.Style.ColumnsMinSpacing, width)); SetColumnOffset(column_index + 1, offset + ImMax(g.Style.ColumnsMinSpacing, width));
} }
float ImGui::GetColumnWidth(int column_index) float ImGui::GetColumnWidth(int column_index)
@ -10090,6 +10090,7 @@ void ImGui::EndColumns()
{ {
const float y1 = window->DC.ColumnsStartPosY; const float y1 = window->DC.ColumnsStartPosY;
const float y2 = window->DC.CursorPos.y; const float y2 = window->DC.CursorPos.y;
int dragging_column = -1;
for (int i = 1; i < window->DC.ColumnsCount; i++) for (int i = 1; i < window->DC.ColumnsCount; i++)
{ {
float x = window->Pos.x + GetColumnOffset(i); float x = window->Pos.x + GetColumnOffset(i);
@ -10098,25 +10099,28 @@ void ImGui::EndColumns()
const ImRect column_rect(ImVec2(x - column_w, y1), ImVec2(x + column_w, y2)); const ImRect column_rect(ImVec2(x - column_w, y1), ImVec2(x + column_w, y2));
if (IsClippedEx(column_rect, &column_id, false)) if (IsClippedEx(column_rect, &column_id, false))
continue; continue;
bool hovered, held; bool hovered, held;
ButtonBehavior(column_rect, column_id, &hovered, &held); ButtonBehavior(column_rect, column_id, &hovered, &held);
if (hovered || held) if (hovered || held)
g.MouseCursor = ImGuiMouseCursor_ResizeEW; g.MouseCursor = ImGuiMouseCursor_ResizeEW;
if (held && g.ActiveIdIsJustActivated)
g.ActiveIdClickOffset.x -= column_w; // Store from center of column line (we used a 8 wide rect for columns clicking). This is used by GetDraggedColumnOffset().
if (held)
dragging_column = i;
// Draw before resize so our items positioning are in sync with the line being drawn // Draw column
const ImU32 col = GetColorU32(held ? ImGuiCol_SeparatorActive : hovered ? ImGuiCol_SeparatorHovered : ImGuiCol_Separator); const ImU32 col = GetColorU32(held ? ImGuiCol_SeparatorActive : hovered ? ImGuiCol_SeparatorHovered : ImGuiCol_Separator);
const float xi = (float)(int)x; const float xi = (float)(int)x;
window->DrawList->AddLine(ImVec2(xi, y1 + 1.0f), ImVec2(xi, y2), col); window->DrawList->AddLine(ImVec2(xi, y1 + 1.0f), ImVec2(xi, y2), col);
}
if (held) // Apply dragging after drawing the column lines, so our rendered lines are in sync with how items were displayed during the frame.
{ if (dragging_column != -1)
if (g.ActiveIdIsJustActivated) {
g.ActiveIdClickOffset.x -= column_w; // Store from center of column line (we used a 8 wide rect for columns clicking) float x = GetDraggedColumnOffset(dragging_column);
x = GetDraggedColumnOffset(i); SetColumnOffset(dragging_column, x);
SetColumnOffset(i, x); }
}
}
} }
window->DC.ColumnsSetId = 0; window->DC.ColumnsSetId = 0;