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Window: Fixed resizing from upper border when io.ConfigWindowsMoveFromTitleBarOnly is set. (#6390)

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ocornut
2023-05-25 15:22:25 +02:00
parent 7947f327de
commit 7e03ae3240
3 changed files with 12 additions and 6 deletions
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15
imgui.cpp
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@@ -5729,6 +5729,11 @@ static bool ImGui::UpdateWindowManualResize(ImGuiWindow* window, const ImVec2& s
const float grip_hover_inner_size = IM_FLOOR(grip_draw_size * 0.75f);
const float grip_hover_outer_size = g.IO.ConfigWindowsResizeFromEdges ? WINDOWS_HOVER_PADDING : 0.0f;
ImRect clamp_rect = visibility_rect;
const bool window_move_from_title_bar = g.IO.ConfigWindowsMoveFromTitleBarOnly && !(window->Flags & ImGuiWindowFlags_NoTitleBar);
if (window_move_from_title_bar)
clamp_rect.Min.y -= window->TitleBarHeight();
ImVec2 pos_target(FLT_MAX, FLT_MAX);
ImVec2 size_target(FLT_MAX, FLT_MAX);
@@ -5765,8 +5770,8 @@ static bool ImGui::UpdateWindowManualResize(ImGuiWindow* window, const ImVec2& s
{
// Resize from any of the four corners
// We don't use an incremental MouseDelta but rather compute an absolute target size based on mouse position
ImVec2 clamp_min = ImVec2(def.CornerPosN.x == 1.0f ? visibility_rect.Min.x : -FLT_MAX, def.CornerPosN.y == 1.0f ? visibility_rect.Min.y : -FLT_MAX);
ImVec2 clamp_max = ImVec2(def.CornerPosN.x == 0.0f ? visibility_rect.Max.x : +FLT_MAX, def.CornerPosN.y == 0.0f ? visibility_rect.Max.y : +FLT_MAX);
ImVec2 clamp_min = ImVec2(def.CornerPosN.x == 1.0f ? clamp_rect.Min.x : -FLT_MAX, (def.CornerPosN.y == 1.0f || (def.CornerPosN.y == 0.0f && window_move_from_title_bar)) ? clamp_rect.Min.y : -FLT_MAX);
ImVec2 clamp_max = ImVec2(def.CornerPosN.x == 0.0f ? clamp_rect.Max.x : +FLT_MAX, def.CornerPosN.y == 0.0f ? clamp_rect.Max.y : +FLT_MAX);
ImVec2 corner_target = g.IO.MousePos - g.ActiveIdClickOffset + ImLerp(def.InnerDir * grip_hover_outer_size, def.InnerDir * -grip_hover_inner_size, def.CornerPosN); // Corner of the window corresponding to our corner grip
corner_target = ImClamp(corner_target, clamp_min, clamp_max);
CalcResizePosSizeFromAnyCorner(window, corner_target, def.CornerPosN, &pos_target, &size_target);
@@ -5795,8 +5800,8 @@ static bool ImGui::UpdateWindowManualResize(ImGuiWindow* window, const ImVec2& s
}
if (held)
{
ImVec2 clamp_min(border_n == ImGuiDir_Right ? visibility_rect.Min.x : -FLT_MAX, border_n == ImGuiDir_Down ? visibility_rect.Min.y : -FLT_MAX);
ImVec2 clamp_max(border_n == ImGuiDir_Left ? visibility_rect.Max.x : +FLT_MAX, border_n == ImGuiDir_Up ? visibility_rect.Max.y : +FLT_MAX);
ImVec2 clamp_min(border_n == ImGuiDir_Right ? clamp_rect.Min.x : -FLT_MAX, border_n == ImGuiDir_Down || (border_n == ImGuiDir_Up && window_move_from_title_bar) ? clamp_rect.Min.y : -FLT_MAX);
ImVec2 clamp_max(border_n == ImGuiDir_Left ? clamp_rect.Max.x : +FLT_MAX, border_n == ImGuiDir_Up ? clamp_rect.Max.y : +FLT_MAX);
ImVec2 border_target = window->Pos;
border_target[axis] = g.IO.MousePos[axis] - g.ActiveIdClickOffset[axis] + WINDOWS_HOVER_PADDING;
border_target = ImClamp(border_target, clamp_min, clamp_max);
@@ -5823,7 +5828,7 @@ static bool ImGui::UpdateWindowManualResize(ImGuiWindow* window, const ImVec2& s
const float NAV_RESIZE_SPEED = 600.0f;
const float resize_step = NAV_RESIZE_SPEED * g.IO.DeltaTime * ImMin(g.IO.DisplayFramebufferScale.x, g.IO.DisplayFramebufferScale.y);
g.NavWindowingAccumDeltaSize += nav_resize_dir * resize_step;
g.NavWindowingAccumDeltaSize = ImMax(g.NavWindowingAccumDeltaSize, visibility_rect.Min - window->Pos - window->Size); // We need Pos+Size >= visibility_rect.Min, so Size >= visibility_rect.Min - Pos, so size_delta >= visibility_rect.Min - window->Pos - window->Size
g.NavWindowingAccumDeltaSize = ImMax(g.NavWindowingAccumDeltaSize, clamp_rect.Min - window->Pos - window->Size); // We need Pos+Size >= clmap_rect.Min, so Size >= clmap_rect.Min - Pos, so size_delta >= clmap_rect.Min - window->Pos - window->Size
g.NavWindowingToggleLayer = false;
g.NavDisableMouseHover = true;
resize_grip_col[0] = GetColorU32(ImGuiCol_ResizeGripActive);