Various tweaks and fixes as suggested by PVS Studio (thanks PVS Studio!)

This commit is contained in:
omar 2019-01-16 16:10:51 +01:00
parent 2f9bae140b
commit 32c4e01267
4 changed files with 39 additions and 29 deletions

View File

@ -5595,7 +5595,7 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
// in order for their pos/size to be matching their undocking state.) // in order for their pos/size to be matching their undocking state.)
if (!(flags & ImGuiWindowFlags_NoTitleBar) && !window->DockIsActive) if (!(flags & ImGuiWindowFlags_NoTitleBar) && !window->DockIsActive)
{ {
ImU32 title_bar_col = GetColorU32(window->Collapsed ? ImGuiCol_TitleBgCollapsed : title_bar_is_highlight ? ImGuiCol_TitleBgActive : ImGuiCol_TitleBg); ImU32 title_bar_col = GetColorU32(title_bar_is_highlight ? ImGuiCol_TitleBgActive : ImGuiCol_TitleBg);
window->DrawList->AddRectFilled(title_bar_rect.Min, title_bar_rect.Max, title_bar_col, window_rounding, ImDrawCornerFlags_Top); window->DrawList->AddRectFilled(title_bar_rect.Min, title_bar_rect.Max, title_bar_col, window_rounding, ImDrawCornerFlags_Top);
} }
@ -8840,6 +8840,7 @@ static void ImGui::NavUpdate()
NavUpdateWindowing(); NavUpdateWindowing();
// Set output flags for user application // Set output flags for user application
// FIXME: g.NavInitRequest is always false at this point, investigate the intent of operation done here.
g.IO.NavActive = (nav_keyboard_active || nav_gamepad_active) && g.NavWindow && !(g.NavWindow->Flags & ImGuiWindowFlags_NoNavInputs); g.IO.NavActive = (nav_keyboard_active || nav_gamepad_active) && g.NavWindow && !(g.NavWindow->Flags & ImGuiWindowFlags_NoNavInputs);
g.IO.NavVisible = (g.IO.NavActive && g.NavId != 0 && !g.NavDisableHighlight) || (g.NavWindowingTarget != NULL) || g.NavInitRequest; g.IO.NavVisible = (g.IO.NavActive && g.NavId != 0 && !g.NavDisableHighlight) || (g.NavWindowingTarget != NULL) || g.NavInitRequest;
@ -9075,7 +9076,7 @@ static float ImGui::NavUpdatePageUpPageDown(int allowed_dir_flags)
ImGuiWindow* window = g.NavWindow; ImGuiWindow* window = g.NavWindow;
bool page_up_held = IsKeyDown(g.IO.KeyMap[ImGuiKey_PageUp]) && (allowed_dir_flags & (1 << ImGuiDir_Up)); bool page_up_held = IsKeyDown(g.IO.KeyMap[ImGuiKey_PageUp]) && (allowed_dir_flags & (1 << ImGuiDir_Up));
bool page_down_held = IsKeyDown(g.IO.KeyMap[ImGuiKey_PageDown]) && (allowed_dir_flags & (1 << ImGuiDir_Down)); bool page_down_held = IsKeyDown(g.IO.KeyMap[ImGuiKey_PageDown]) && (allowed_dir_flags & (1 << ImGuiDir_Down));
if ((page_up_held && !page_down_held) || (page_down_held && !page_up_held)) if (page_up_held != page_down_held) // If either (not both) are pressed
{ {
if (window->DC.NavLayerActiveMask == 0x00 && window->DC.NavHasScroll) if (window->DC.NavLayerActiveMask == 0x00 && window->DC.NavHasScroll)
{ {
@ -9761,7 +9762,7 @@ bool ImGui::BeginDragDropSource(ImGuiDragDropFlags flags)
// Target can request the Source to not display its tooltip (we use a dedicated flag to make this request explicit) // Target can request the Source to not display its tooltip (we use a dedicated flag to make this request explicit)
// We unfortunately can't just modify the source flags and skip the call to BeginTooltip, as caller may be emitting contents. // We unfortunately can't just modify the source flags and skip the call to BeginTooltip, as caller may be emitting contents.
BeginTooltip(); BeginTooltip();
if (g.DragDropActive && g.DragDropAcceptIdPrev && (g.DragDropAcceptFlags & ImGuiDragDropFlags_AcceptNoPreviewTooltip)) if (g.DragDropAcceptIdPrev && (g.DragDropAcceptFlags & ImGuiDragDropFlags_AcceptNoPreviewTooltip))
{ {
ImGuiWindow* tooltip_window = g.CurrentWindow; ImGuiWindow* tooltip_window = g.CurrentWindow;
tooltip_window->SkipItems = true; tooltip_window->SkipItems = true;

View File

@ -924,17 +924,18 @@ static void ShowDemoWindowWidgets()
} }
if (ImGui::TreeNode("Grid")) if (ImGui::TreeNode("Grid"))
{ {
static bool selected[16] = { true, false, false, false, false, true, false, false, false, false, true, false, false, false, false, true }; static bool selected[4*4] = { true, false, false, false, false, true, false, false, false, false, true, false, false, false, false, true };
for (int i = 0; i < 16; i++) for (int i = 0; i < 4*4; i++)
{ {
ImGui::PushID(i); ImGui::PushID(i);
if (ImGui::Selectable("Sailor", &selected[i], 0, ImVec2(50,50))) if (ImGui::Selectable("Sailor", &selected[i], 0, ImVec2(50,50)))
{ {
int x = i % 4, y = i / 4; int x = i % 4;
if (x > 0) selected[i - 1] ^= 1; int y = i / 4;
if (x < 3) selected[i + 1] ^= 1; if (x > 0) { selected[i - 1] ^= 1; }
if (y > 0) selected[i - 4] ^= 1; if (x < 3) { selected[i + 1] ^= 1; }
if (y < 3) selected[i + 4] ^= 1; if (y > 0) { selected[i - 4] ^= 1; }
if (y < 3) { selected[i + 4] ^= 1; }
} }
if ((i % 4) < 3) ImGui::SameLine(); if ((i % 4) < 3) ImGui::SameLine();
ImGui::PopID(); ImGui::PopID();
@ -1000,7 +1001,7 @@ static void ShowDemoWindowWidgets()
static float values[90] = { 0 }; static float values[90] = { 0 };
static int values_offset = 0; static int values_offset = 0;
static double refresh_time = 0.0; static double refresh_time = 0.0;
if (!animate || refresh_time == 0.0f) if (!animate || refresh_time == 0.0)
refresh_time = ImGui::GetTime(); refresh_time = ImGui::GetTime();
while (refresh_time < ImGui::GetTime()) // Create dummy data at fixed 60 hz rate for the demo while (refresh_time < ImGui::GetTime()) // Create dummy data at fixed 60 hz rate for the demo
{ {
@ -2032,9 +2033,9 @@ static void ShowDemoWindowLayout()
ImGui::EndChild(); ImGui::EndChild();
ImGui::PopStyleVar(2); ImGui::PopStyleVar(2);
float scroll_x_delta = 0.0f; float scroll_x_delta = 0.0f;
ImGui::SmallButton("<<"); if (ImGui::IsItemActive()) scroll_x_delta = -ImGui::GetIO().DeltaTime * 1000.0f; ImGui::SameLine(); ImGui::SmallButton("<<"); if (ImGui::IsItemActive()) { scroll_x_delta = -ImGui::GetIO().DeltaTime * 1000.0f; } ImGui::SameLine();
ImGui::Text("Scroll from code"); ImGui::SameLine(); ImGui::Text("Scroll from code"); ImGui::SameLine();
ImGui::SmallButton(">>"); if (ImGui::IsItemActive()) scroll_x_delta = +ImGui::GetIO().DeltaTime * 1000.0f; ImGui::SameLine(); ImGui::SmallButton(">>"); if (ImGui::IsItemActive()) { scroll_x_delta = +ImGui::GetIO().DeltaTime * 1000.0f; } ImGui::SameLine();
ImGui::Text("%.0f/%.0f", scroll_x, scroll_max_x); ImGui::Text("%.0f/%.0f", scroll_x, scroll_max_x);
if (scroll_x_delta != 0.0f) if (scroll_x_delta != 0.0f)
{ {
@ -2562,9 +2563,9 @@ static void ShowDemoWindowMisc()
// Use >= 0 parameter to SetKeyboardFocusHere() to focus an upcoming item // Use >= 0 parameter to SetKeyboardFocusHere() to focus an upcoming item
static float f3[3] = { 0.0f, 0.0f, 0.0f }; static float f3[3] = { 0.0f, 0.0f, 0.0f };
int focus_ahead = -1; int focus_ahead = -1;
if (ImGui::Button("Focus on X")) focus_ahead = 0; ImGui::SameLine(); if (ImGui::Button("Focus on X")) { focus_ahead = 0; } ImGui::SameLine();
if (ImGui::Button("Focus on Y")) focus_ahead = 1; ImGui::SameLine(); if (ImGui::Button("Focus on Y")) { focus_ahead = 1; } ImGui::SameLine();
if (ImGui::Button("Focus on Z")) focus_ahead = 2; if (ImGui::Button("Focus on Z")) { focus_ahead = 2; }
if (focus_ahead != -1) ImGui::SetKeyboardFocusHere(focus_ahead); if (focus_ahead != -1) ImGui::SetKeyboardFocusHere(focus_ahead);
ImGui::SliderFloat3("Float3", &f3[0], 0.0f, 1.0f); ImGui::SliderFloat3("Float3", &f3[0], 0.0f, 1.0f);
@ -3812,7 +3813,7 @@ static void ShowExampleAppConstrainedResize(bool* p_open)
if (type == 3) ImGui::SetNextWindowSizeConstraints(ImVec2(400, -1), ImVec2(500, -1)); // Width 400-500 if (type == 3) ImGui::SetNextWindowSizeConstraints(ImVec2(400, -1), ImVec2(500, -1)); // Width 400-500
if (type == 4) ImGui::SetNextWindowSizeConstraints(ImVec2(-1, 400), ImVec2(-1, 500)); // Height 400-500 if (type == 4) ImGui::SetNextWindowSizeConstraints(ImVec2(-1, 400), ImVec2(-1, 500)); // Height 400-500
if (type == 5) ImGui::SetNextWindowSizeConstraints(ImVec2(0, 0), ImVec2(FLT_MAX, FLT_MAX), CustomConstraints::Square); // Always Square if (type == 5) ImGui::SetNextWindowSizeConstraints(ImVec2(0, 0), ImVec2(FLT_MAX, FLT_MAX), CustomConstraints::Square); // Always Square
if (type == 6) ImGui::SetNextWindowSizeConstraints(ImVec2(0, 0), ImVec2(FLT_MAX, FLT_MAX), CustomConstraints::Step, (void*)100);// Fixed Step if (type == 6) ImGui::SetNextWindowSizeConstraints(ImVec2(0, 0), ImVec2(FLT_MAX, FLT_MAX), CustomConstraints::Step, (void*)(intptr_t)100); // Fixed Step
ImGuiWindowFlags flags = auto_resize ? ImGuiWindowFlags_AlwaysAutoResize : 0; ImGuiWindowFlags flags = auto_resize ? ImGuiWindowFlags_AlwaysAutoResize : 0;
if (ImGui::Begin("Example: Constrained Resize", p_open, flags)) if (ImGui::Begin("Example: Constrained Resize", p_open, flags))
@ -3853,6 +3854,7 @@ static void ShowExampleAppSimpleOverlay(bool* p_open)
// FIXME-VIEWPORT-ABS: Select a default viewport // FIXME-VIEWPORT-ABS: Select a default viewport
const float DISTANCE = 10.0f; const float DISTANCE = 10.0f;
static int corner = 0; static int corner = 0;
ImGuiIO& io = ImGui::GetIO();
if (corner != -1) if (corner != -1)
{ {
ImGuiViewport* viewport = ImGui::GetMainViewport(); ImGuiViewport* viewport = ImGui::GetMainViewport();
@ -3867,7 +3869,7 @@ static void ShowExampleAppSimpleOverlay(bool* p_open)
ImGui::Text("Simple overlay\n" "in the corner of the screen.\n" "(right-click to change position)"); ImGui::Text("Simple overlay\n" "in the corner of the screen.\n" "(right-click to change position)");
ImGui::Separator(); ImGui::Separator();
if (ImGui::IsMousePosValid()) if (ImGui::IsMousePosValid())
ImGui::Text("Mouse Position: (%.1f,%.1f)", ImGui::GetIO().MousePos.x, ImGui::GetIO().MousePos.y); ImGui::Text("Mouse Position: (%.1f,%.1f)", io.MousePos.x, io.MousePos.y);
else else
ImGui::Text("Mouse Position: <invalid>"); ImGui::Text("Mouse Position: <invalid>");
if (ImGui::BeginPopupContextWindow()) if (ImGui::BeginPopupContextWindow())

View File

@ -1524,7 +1524,7 @@ void ImFontAtlas::GetTexDataAsRGBA32(unsigned char** out_pixels, int* out_wid
GetTexDataAsAlpha8(&pixels, NULL, NULL); GetTexDataAsAlpha8(&pixels, NULL, NULL);
if (pixels) if (pixels)
{ {
TexPixelsRGBA32 = (unsigned int*)ImGui::MemAlloc((size_t)(TexWidth * TexHeight * 4)); TexPixelsRGBA32 = (unsigned int*)ImGui::MemAlloc((size_t)TexWidth * (size_t)TexHeight * 4);
const unsigned char* src = pixels; const unsigned char* src = pixels;
unsigned int* dst = TexPixelsRGBA32; unsigned int* dst = TexPixelsRGBA32;
for (int n = TexWidth * TexHeight; n > 0; n--) for (int n = TexWidth * TexHeight; n > 0; n--)
@ -3026,13 +3026,14 @@ void ImGui::RenderRectFilledRangeH(ImDrawList* draw_list, const ImRect& rect, Im
const float inv_rounding = 1.0f / rounding; const float inv_rounding = 1.0f / rounding;
const float arc0_b = ImAcos01(1.0f - (p0.x - rect.Min.x) * inv_rounding); const float arc0_b = ImAcos01(1.0f - (p0.x - rect.Min.x) * inv_rounding);
const float arc0_e = ImAcos01(1.0f - (p1.x - rect.Min.x) * inv_rounding); const float arc0_e = ImAcos01(1.0f - (p1.x - rect.Min.x) * inv_rounding);
const float half_pi = IM_PI * 0.5f; // We will == compare to this because we know this is the exact value ImAcos01 can return.
const float x0 = ImMax(p0.x, rect.Min.x + rounding); const float x0 = ImMax(p0.x, rect.Min.x + rounding);
if (arc0_b == arc0_e) if (arc0_b == arc0_e)
{ {
draw_list->PathLineTo(ImVec2(x0, p1.y)); draw_list->PathLineTo(ImVec2(x0, p1.y));
draw_list->PathLineTo(ImVec2(x0, p0.y)); draw_list->PathLineTo(ImVec2(x0, p0.y));
} }
else if (arc0_b == 0.0f && arc0_e == IM_PI*0.5f) else if (arc0_b == 0.0f && arc0_e == half_pi)
{ {
draw_list->PathArcToFast(ImVec2(x0, p1.y - rounding), rounding, 3, 6); // BL draw_list->PathArcToFast(ImVec2(x0, p1.y - rounding), rounding, 3, 6); // BL
draw_list->PathArcToFast(ImVec2(x0, p0.y + rounding), rounding, 6, 9); // TR draw_list->PathArcToFast(ImVec2(x0, p0.y + rounding), rounding, 6, 9); // TR
@ -3052,7 +3053,7 @@ void ImGui::RenderRectFilledRangeH(ImDrawList* draw_list, const ImRect& rect, Im
draw_list->PathLineTo(ImVec2(x1, p0.y)); draw_list->PathLineTo(ImVec2(x1, p0.y));
draw_list->PathLineTo(ImVec2(x1, p1.y)); draw_list->PathLineTo(ImVec2(x1, p1.y));
} }
else if (arc1_b == 0.0f && arc1_e == IM_PI*0.5f) else if (arc1_b == 0.0f && arc1_e == half_pi)
{ {
draw_list->PathArcToFast(ImVec2(x1, p0.y + rounding), rounding, 9, 12); // TR draw_list->PathArcToFast(ImVec2(x1, p0.y + rounding), rounding, 9, 12); // TR
draw_list->PathArcToFast(ImVec2(x1, p1.y - rounding), rounding, 0, 3); // BR draw_list->PathArcToFast(ImVec2(x1, p1.y - rounding), rounding, 0, 3); // BR

View File

@ -673,7 +673,7 @@ bool ImGui::CloseButton(ImGuiID id, const ImVec2& pos, float radius)
// Render // Render
ImVec2 center = bb.GetCenter(); ImVec2 center = bb.GetCenter();
if (hovered) if (hovered)
window->DrawList->AddCircleFilled(center, ImMax(2.0f, radius), GetColorU32((held && hovered) ? ImGuiCol_ButtonActive : ImGuiCol_ButtonHovered), 9); window->DrawList->AddCircleFilled(center, ImMax(2.0f, radius), GetColorU32(held ? ImGuiCol_ButtonActive : ImGuiCol_ButtonHovered), 9);
float cross_extent = (radius * 0.7071f) - 1.0f; float cross_extent = (radius * 0.7071f) - 1.0f;
ImU32 cross_col = GetColorU32(ImGuiCol_Text); ImU32 cross_col = GetColorU32(ImGuiCol_Text);
@ -1697,7 +1697,7 @@ static float GetMinimumStepAtDecimalPrecision(int decimal_precision)
static const float min_steps[10] = { 1.0f, 0.1f, 0.01f, 0.001f, 0.0001f, 0.00001f, 0.000001f, 0.0000001f, 0.00000001f, 0.000000001f }; static const float min_steps[10] = { 1.0f, 0.1f, 0.01f, 0.001f, 0.0001f, 0.00001f, 0.000001f, 0.0000001f, 0.00000001f, 0.000000001f };
if (decimal_precision < 0) if (decimal_precision < 0)
return FLT_MIN; return FLT_MIN;
return (decimal_precision >= 0 && decimal_precision < 10) ? min_steps[decimal_precision] : ImPow(10.0f, (float)-decimal_precision); return (decimal_precision < IM_ARRAYSIZE(min_steps)) ? min_steps[decimal_precision] : ImPow(10.0f, (float)-decimal_precision);
} }
template<typename TYPE> template<typename TYPE>
@ -3929,9 +3929,14 @@ bool ImGui::ColorEdit4(const char* label, float col[4], ImGuiColorEditFlags flag
if (n + 1 == components) if (n + 1 == components)
PushItemWidth(w_item_last); PushItemWidth(w_item_last);
if (flags & ImGuiColorEditFlags_Float) if (flags & ImGuiColorEditFlags_Float)
value_changed = value_changed_as_float = value_changed | DragFloat(ids[n], &f[n], 1.0f/255.0f, 0.0f, hdr ? 0.0f : 1.0f, fmt_table_float[fmt_idx][n]); {
value_changed |= DragFloat(ids[n], &f[n], 1.0f/255.0f, 0.0f, hdr ? 0.0f : 1.0f, fmt_table_float[fmt_idx][n]);
value_changed_as_float |= value_changed;
}
else else
{
value_changed |= DragInt(ids[n], &i[n], 1.0f, 0, hdr ? 0 : 255, fmt_table_int[fmt_idx][n]); value_changed |= DragInt(ids[n], &i[n], 1.0f, 0, hdr ? 0 : 255, fmt_table_int[fmt_idx][n]);
}
if (!(flags & ImGuiColorEditFlags_NoOptions)) if (!(flags & ImGuiColorEditFlags_NoOptions))
OpenPopupOnItemClick("context"); OpenPopupOnItemClick("context");
} }
@ -4034,7 +4039,7 @@ bool ImGui::ColorEdit4(const char* label, float col[4], ImGuiColorEditFlags flag
{ {
if (const ImGuiPayload* payload = AcceptDragDropPayload(IMGUI_PAYLOAD_TYPE_COLOR_3F)) if (const ImGuiPayload* payload = AcceptDragDropPayload(IMGUI_PAYLOAD_TYPE_COLOR_3F))
{ {
memcpy((float*)col, payload->Data, sizeof(float) * 3); memcpy((float*)col, payload->Data, sizeof(float) * 3); // Preserve alpha if any
value_changed = true; value_changed = true;
} }
if (const ImGuiPayload* payload = AcceptDragDropPayload(IMGUI_PAYLOAD_TYPE_COLOR_4F)) if (const ImGuiPayload* payload = AcceptDragDropPayload(IMGUI_PAYLOAD_TYPE_COLOR_4F))
@ -4616,7 +4621,7 @@ void ImGui::ColorPickerOptionsPopup(const float* ref_col, ImGuiColorEditFlags fl
g.ColorEditOptions = (g.ColorEditOptions & ~ImGuiColorEditFlags__PickerMask) | (picker_flags & ImGuiColorEditFlags__PickerMask); g.ColorEditOptions = (g.ColorEditOptions & ~ImGuiColorEditFlags__PickerMask) | (picker_flags & ImGuiColorEditFlags__PickerMask);
SetCursorScreenPos(backup_pos); SetCursorScreenPos(backup_pos);
ImVec4 dummy_ref_col; ImVec4 dummy_ref_col;
memcpy(&dummy_ref_col.x, ref_col, sizeof(float) * (picker_flags & ImGuiColorEditFlags_NoAlpha ? 3 : 4)); memcpy(&dummy_ref_col, ref_col, sizeof(float) * ((picker_flags & ImGuiColorEditFlags_NoAlpha) ? 3 : 4));
ColorPicker4("##dummypicker", &dummy_ref_col.x, picker_flags); ColorPicker4("##dummypicker", &dummy_ref_col.x, picker_flags);
PopID(); PopID();
} }
@ -5019,7 +5024,7 @@ bool ImGui::CollapsingHeader(const char* label, bool* p_open, ImGuiTreeNodeFlags
ImGuiItemHoveredDataBackup last_item_backup; ImGuiItemHoveredDataBackup last_item_backup;
float button_radius = g.FontSize * 0.5f; float button_radius = g.FontSize * 0.5f;
ImVec2 button_center = ImVec2(ImMin(window->DC.LastItemRect.Max.x, window->ClipRect.Max.x) - g.Style.FramePadding.x - button_radius, window->DC.LastItemRect.GetCenter().y); ImVec2 button_center = ImVec2(ImMin(window->DC.LastItemRect.Max.x, window->ClipRect.Max.x) - g.Style.FramePadding.x - button_radius, window->DC.LastItemRect.GetCenter().y);
if (CloseButton(window->GetID((void*)(intptr_t)(id+1)), button_center, button_radius)) if (CloseButton(window->GetID((void*)((intptr_t)id+1)), button_center, button_radius))
*p_open = false; *p_open = false;
last_item_backup.Restore(); last_item_backup.Restore();
} }
@ -5842,6 +5847,7 @@ ImGuiTabBar::ImGuiTabBar()
ID = 0; ID = 0;
SelectedTabId = NextSelectedTabId = VisibleTabId = 0; SelectedTabId = NextSelectedTabId = VisibleTabId = 0;
CurrFrameVisible = PrevFrameVisible = -1; CurrFrameVisible = PrevFrameVisible = -1;
ContentsHeight = 0.0f;
OffsetMax = OffsetNextTab = 0.0f; OffsetMax = OffsetNextTab = 0.0f;
ScrollingAnim = ScrollingTarget = 0.0f; ScrollingAnim = ScrollingTarget = 0.0f;
Flags = ImGuiTabBarFlags_None; Flags = ImGuiTabBarFlags_None;
@ -6576,7 +6582,7 @@ bool ImGui::TabItemEx(ImGuiTabBar* tab_bar, const char* label, bool* p_open,
flags |= ImGuiTabItemFlags_NoCloseWithMiddleMouseButton; flags |= ImGuiTabItemFlags_NoCloseWithMiddleMouseButton;
// Render tab label, process close button // Render tab label, process close button
const ImGuiID close_button_id = p_open ? window->GetID((void*)(intptr_t)(id + 1)) : 0; const ImGuiID close_button_id = p_open ? window->GetID((void*)((intptr_t)id + 1)) : 0;
bool just_closed = TabItemLabelAndCloseButton(display_draw_list, bb, flags, label, id, close_button_id); bool just_closed = TabItemLabelAndCloseButton(display_draw_list, bb, flags, label, id, close_button_id);
if (just_closed) if (just_closed)
{ {