diff --git a/imgui.cpp b/imgui.cpp index a1cdfe50..b2a1953e 100644 --- a/imgui.cpp +++ b/imgui.cpp @@ -5488,6 +5488,7 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags) UpdateWindowParentAndRootLinks(window, flags, parent_window); // Process SetNextWindow***() calls + // (FIXME: Consider splitting the HasXXX flags into X/Y components bool window_pos_set_by_api = false; bool window_size_x_set_by_api = false, window_size_y_set_by_api = false; if (g.NextWindowData.Flags & ImGuiNextWindowDataFlags_HasPos) @@ -5512,6 +5513,19 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags) window_size_y_set_by_api = (window->SetWindowSizeAllowFlags & g.NextWindowData.SizeCond) != 0 && (g.NextWindowData.SizeVal.y > 0.0f); SetWindowSize(window, g.NextWindowData.SizeVal, g.NextWindowData.SizeCond); } + if (g.NextWindowData.Flags & ImGuiNextWindowDataFlags_HasScroll) + { + if (g.NextWindowData.ScrollVal.x >= 0.0f) + { + window->ScrollTarget.x = g.NextWindowData.ScrollVal.x; + window->ScrollTargetCenterRatio.x = 0.0f; + } + if (g.NextWindowData.ScrollVal.y >= 0.0f) + { + window->ScrollTarget.y = g.NextWindowData.ScrollVal.y; + window->ScrollTargetCenterRatio.y = 0.0f; + } + } if (g.NextWindowData.Flags & ImGuiNextWindowDataFlags_HasContentSize) window->ContentSizeExplicit = g.NextWindowData.ContentSizeVal; else if (first_begin_of_the_frame) @@ -6513,6 +6527,13 @@ void ImGui::SetNextWindowContentSize(const ImVec2& size) g.NextWindowData.ContentSizeVal = size; } +void ImGui::SetNextWindowScroll(const ImVec2& scroll) +{ + ImGuiContext& g = *GImGui; + g.NextWindowData.Flags |= ImGuiNextWindowDataFlags_HasScroll; + g.NextWindowData.ScrollVal = scroll; +} + void ImGui::SetNextWindowCollapsed(bool collapsed, ImGuiCond cond) { ImGuiContext& g = *GImGui; diff --git a/imgui_internal.h b/imgui_internal.h index 0735d727..8a561e51 100644 --- a/imgui_internal.h +++ b/imgui_internal.h @@ -948,7 +948,8 @@ enum ImGuiNextWindowDataFlags_ ImGuiNextWindowDataFlags_HasCollapsed = 1 << 3, ImGuiNextWindowDataFlags_HasSizeConstraint = 1 << 4, ImGuiNextWindowDataFlags_HasFocus = 1 << 5, - ImGuiNextWindowDataFlags_HasBgAlpha = 1 << 6 + ImGuiNextWindowDataFlags_HasBgAlpha = 1 << 6, + ImGuiNextWindowDataFlags_HasScroll = 1 << 7 }; // Storage for SetNexWindow** functions @@ -962,6 +963,7 @@ struct ImGuiNextWindowData ImVec2 PosPivotVal; ImVec2 SizeVal; ImVec2 ContentSizeVal; + ImVec2 ScrollVal; bool CollapsedVal; ImRect SizeConstraintRect; ImGuiSizeCallback SizeCallback; @@ -1703,6 +1705,7 @@ namespace ImGui IMGUI_API ImGuiSettingsHandler* FindSettingsHandler(const char* type_name); // Scrolling + IMGUI_API void SetNextWindowScroll(const ImVec2& scroll); // Use -1.0f on one axis to leave as-is IMGUI_API void SetScrollX(ImGuiWindow* window, float new_scroll_x); IMGUI_API void SetScrollY(ImGuiWindow* window, float new_scroll_y); IMGUI_API void SetScrollFromPosX(ImGuiWindow* window, float local_x, float center_x_ratio = 0.5f);