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Windows: Fix unintended window size changes when resizing windows close to main viewport edges.

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Rokas Kupstys 2020-06-24 14:00:35 +03:00 committed by omar
parent 45a7cf47ab
commit 6b0cf2e6ae
2 changed files with 14 additions and 6 deletions
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1
docs/CHANGELOG.txt
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@ -57,6 +57,7 @@ Other Changes:
Set to an intermediary value to toggle behavior based on width (same as Firefox). Set to an intermediary value to toggle behavior based on width (same as Firefox).
- Tab: Added a ImGuiTabItemFlags_NoTooltip flag to disable the tooltip for individual tab item - Tab: Added a ImGuiTabItemFlags_NoTooltip flag to disable the tooltip for individual tab item
(vs ImGuiTabBarFlags_NoTooltip for entire tab bar). [@Xipiryon] (vs ImGuiTabBarFlags_NoTooltip for entire tab bar). [@Xipiryon]
- Windows: Fix unintended feedback loops when resizing windows close to main viewport edges. [@rokups]
- Popups: All functions capable of opening popups (OpenPopup*, BeginPopupContext*) now take a new - Popups: All functions capable of opening popups (OpenPopup*, BeginPopupContext*) now take a new
ImGuiPopupFlags sets of flags instead of a mouse button index. The API is automatically backward ImGuiPopupFlags sets of flags instead of a mouse button index. The API is automatically backward
compatible as ImGuiPopupFlags is guaranteed to hold mouse button index in the lower bits. compatible as ImGuiPopupFlags is guaranteed to hold mouse button index in the lower bits.

7
imgui.cpp
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@ -5071,6 +5071,9 @@ static bool ImGui::UpdateWindowManualResize(ImGuiWindow* window, const ImVec2& s
// Resize from any of the four corners // 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 // We don't use an incremental MouseDelta but rather compute an absolute target size based on mouse position
ImVec2 corner_target = g.IO.MousePos - g.ActiveIdClickOffset + ImLerp(grip.InnerDir * grip_hover_outer_size, grip.InnerDir * -grip_hover_inner_size, grip.CornerPosN); // Corner of the window corresponding to our corner grip ImVec2 corner_target = g.IO.MousePos - g.ActiveIdClickOffset + ImLerp(grip.InnerDir * grip_hover_outer_size, grip.InnerDir * -grip_hover_inner_size, grip.CornerPosN); // Corner of the window corresponding to our corner grip
ImVec2 clamp_min = ImVec2(grip.CornerPosN.x == 1 ? g.Style.DisplayWindowPadding.x : -FLT_MAX, grip.CornerPosN.y == 1 ? g.Style.DisplayWindowPadding.y : -FLT_MAX);
ImVec2 clamp_max = ImVec2(grip.CornerPosN.x == 0 ? g.IO.DisplaySize.x - g.Style.DisplayWindowPadding.x : FLT_MAX, grip.CornerPosN.y == 0 ? g.IO.DisplaySize.y - g.Style.DisplayWindowPadding.y : FLT_MAX);
corner_target = ImClamp(corner_target, clamp_min, clamp_max);
CalcResizePosSizeFromAnyCorner(window, corner_target, grip.CornerPosN, &pos_target, &size_target); CalcResizePosSizeFromAnyCorner(window, corner_target, grip.CornerPosN, &pos_target, &size_target);
} }
if (resize_grip_n == 0 || held || hovered) if (resize_grip_n == 0 || held || hovered)
@ -5096,6 +5099,9 @@ static bool ImGui::UpdateWindowManualResize(ImGuiWindow* window, const ImVec2& s
if (border_n == 1) { border_posn = ImVec2(1, 0); border_target.x = (g.IO.MousePos.x - g.ActiveIdClickOffset.x + WINDOWS_RESIZE_FROM_EDGES_HALF_THICKNESS); } // Right if (border_n == 1) { border_posn = ImVec2(1, 0); border_target.x = (g.IO.MousePos.x - g.ActiveIdClickOffset.x + WINDOWS_RESIZE_FROM_EDGES_HALF_THICKNESS); } // Right
if (border_n == 2) { border_posn = ImVec2(0, 1); border_target.y = (g.IO.MousePos.y - g.ActiveIdClickOffset.y + WINDOWS_RESIZE_FROM_EDGES_HALF_THICKNESS); } // Bottom if (border_n == 2) { border_posn = ImVec2(0, 1); border_target.y = (g.IO.MousePos.y - g.ActiveIdClickOffset.y + WINDOWS_RESIZE_FROM_EDGES_HALF_THICKNESS); } // Bottom
if (border_n == 3) { border_posn = ImVec2(0, 0); border_target.x = (g.IO.MousePos.x - g.ActiveIdClickOffset.x + WINDOWS_RESIZE_FROM_EDGES_HALF_THICKNESS); } // Left if (border_n == 3) { border_posn = ImVec2(0, 0); border_target.x = (g.IO.MousePos.x - g.ActiveIdClickOffset.x + WINDOWS_RESIZE_FROM_EDGES_HALF_THICKNESS); } // Left
ImVec2 clamp_min = ImVec2(border_n == 1 ? g.Style.DisplayWindowPadding.x : -FLT_MAX, border_n == 2 ? g.Style.DisplayWindowPadding.y : -FLT_MAX);
ImVec2 clamp_max = ImVec2(border_n == 3 ? g.IO.DisplaySize.x - g.Style.DisplayWindowPadding.x : FLT_MAX, border_n == 0 ? g.IO.DisplaySize.y - g.Style.DisplayWindowPadding.y : FLT_MAX);
border_target = ImClamp(border_target, clamp_min, clamp_max);
CalcResizePosSizeFromAnyCorner(window, border_target, border_posn, &pos_target, &size_target); CalcResizePosSizeFromAnyCorner(window, border_target, border_posn, &pos_target, &size_target);
} }
} }
@ -5117,6 +5123,7 @@ static bool ImGui::UpdateWindowManualResize(ImGuiWindow* window, const ImVec2& s
{ {
const float NAV_RESIZE_SPEED = 600.0f; const float NAV_RESIZE_SPEED = 600.0f;
nav_resize_delta *= ImFloor(NAV_RESIZE_SPEED * g.IO.DeltaTime * ImMin(g.IO.DisplayFramebufferScale.x, g.IO.DisplayFramebufferScale.y)); nav_resize_delta *= ImFloor(NAV_RESIZE_SPEED * g.IO.DeltaTime * ImMin(g.IO.DisplayFramebufferScale.x, g.IO.DisplayFramebufferScale.y));
nav_resize_delta = ImClamp(nav_resize_delta, g.Style.DisplayWindowPadding - window->Pos - window->Size, ImVec2(FLT_MAX, FLT_MAX));
g.NavWindowingToggleLayer = false; g.NavWindowingToggleLayer = false;
g.NavDisableMouseHover = true; g.NavDisableMouseHover = true;
resize_grip_col[0] = GetColorU32(ImGuiCol_ResizeGripActive); resize_grip_col[0] = GetColorU32(ImGuiCol_ResizeGripActive);