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Internals: Settings api tweaks

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This commit is contained in:
omar 2017-12-15 20:59:00 +01:00
parent 0a0b252bb6
commit b2ec0741f1
2 changed files with 22 additions and 15 deletions
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26
imgui.cpp
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@ -2525,7 +2525,7 @@ void ImGui::NewFrame()
Begin("Debug##Default");
}
static void* SettingsHandlerWindow_ReadOpen(ImGuiContext&, const char* name)
static void* SettingsHandlerWindow_ReadOpen(ImGuiContext*, ImGuiSettingsHandler*, const char* name)
{
ImGuiWindowSettings* settings = ImGui::FindWindowSettings(ImHash(name, 0));
if (!settings)
@ -2533,7 +2533,7 @@ static void* SettingsHandlerWindow_ReadOpen(ImGuiContext&, const char* name)
return (void*)settings;
}
static void SettingsHandlerWindow_ReadLine(ImGuiContext&, void* entry, const char* line)
static void SettingsHandlerWindow_ReadLine(ImGuiContext*, ImGuiSettingsHandler*, void* entry, const char* line)
{
ImGuiWindowSettings* settings = (ImGuiWindowSettings*)entry;
float x, y;
@ -2543,9 +2543,10 @@ static void SettingsHandlerWindow_ReadLine(ImGuiContext&, void* entry, const cha
else if (sscanf(line, "Collapsed=%d", &i) == 1) settings->Collapsed = (i != 0);
}
static void SettingsHandlerWindow_WriteAll(ImGuiContext& g, ImGuiTextBuffer* buf)
static void SettingsHandlerWindow_WriteAll(ImGuiContext* imgui_ctx, ImGuiSettingsHandler* handler, ImGuiTextBuffer* buf)
{
// Gather data from windows that were active during this session
ImGuiContext& g = *imgui_ctx;
for (int i = 0; i != g.Windows.Size; i++)
{
ImGuiWindow* window = g.Windows[i];
@ -2570,7 +2571,7 @@ static void SettingsHandlerWindow_WriteAll(ImGuiContext& g, ImGuiTextBuffer* buf
const char* name = settings->Name;
if (const char* p = strstr(name, "###")) // Skip to the "###" marker if any. We don't skip past to match the behavior of GetID()
name = p;
buf->appendf("[Window][%s]\n", name);
buf->appendf("[%s][%s]\n", handler->TypeName, name);
buf->appendf("Pos=%d,%d\n", (int)settings->Pos.x, (int)settings->Pos.y);
buf->appendf("Size=%d,%d\n", (int)settings->Size.x, (int)settings->Size.y);
buf->appendf("Collapsed=%d\n", settings->Collapsed);
@ -2684,9 +2685,10 @@ static void LoadIniSettingsFromDisk(const char* ini_filename)
ImGui::MemFree(file_data);
}
ImGuiSettingsHandler* ImGui::FindSettingsHandler(ImGuiID type_hash)
ImGuiSettingsHandler* ImGui::FindSettingsHandler(const char* type_name)
{
ImGuiContext& g = *GImGui;
const ImGuiID type_hash = ImHash(type_name, 0, 0);
for (int handler_n = 0; handler_n < g.SettingsHandlers.Size; handler_n++)
if (g.SettingsHandlers[handler_n].TypeHash == type_hash)
return &g.SettingsHandlers[handler_n];
@ -2702,7 +2704,7 @@ static void LoadIniSettingsFromMemory(const char* buf_readonly)
ImGuiContext& g = *GImGui;
void* entry_data = NULL;
const ImGuiSettingsHandler* entry_handler = NULL;
ImGuiSettingsHandler* entry_handler = NULL;
char* line_end = NULL;
for (char* line = buf; line < buf_end; line = line_end + 1)
@ -2733,14 +2735,13 @@ static void LoadIniSettingsFromMemory(const char* buf_readonly)
*type_end = 0; // Overwrite first ']'
name_start++; // Skip second '['
}
const ImGuiID type_hash = ImHash(type_start, 0, 0);
entry_handler = ImGui::FindSettingsHandler(type_hash);
entry_data = entry_handler ? entry_handler->ReadOpenFn(g, name_start) : NULL;
entry_handler = ImGui::FindSettingsHandler(type_start);
entry_data = entry_handler ? entry_handler->ReadOpenFn(&g, entry_handler, name_start) : NULL;
}
else if (entry_handler != NULL && entry_data != NULL)
{
// Let type handler parse the line
entry_handler->ReadLineFn(g, entry_data, line);
entry_handler->ReadLineFn(&g, entry_handler, entry_data, line);
}
}
ImGui::MemFree(buf);
@ -2770,7 +2771,10 @@ static void SaveIniSettingsToMemory(ImVector<char>& out_buf)
ImGuiTextBuffer buf;
for (int handler_n = 0; handler_n < g.SettingsHandlers.Size; handler_n++)
g.SettingsHandlers[handler_n].WriteAllFn(g, &buf);
{
ImGuiSettingsHandler* handler = &g.SettingsHandlers[handler_n];
handler->WriteAllFn(&g, handler, &buf);
}
buf.Buf.pop_back(); // Remove extra zero-terminator used by ImGuiTextBuffer
out_buf.swap(buf.Buf);

11
imgui_internal.h
View file

@ -376,9 +376,12 @@ struct ImGuiSettingsHandler
{
const char* TypeName; // Short description stored in .ini file. Disallowed characters: '[' ']'
ImGuiID TypeHash; // == ImHash(TypeName, 0, 0)
void* (*ReadOpenFn)(ImGuiContext& ctx, const char* name);
void (*ReadLineFn)(ImGuiContext& ctx, void* entry, const char* line);
void (*WriteAllFn)(ImGuiContext& ctx, ImGuiTextBuffer* out_buf);
void* (*ReadOpenFn)(ImGuiContext* ctx, ImGuiSettingsHandler* handler, const char* name);
void (*ReadLineFn)(ImGuiContext* ctx, ImGuiSettingsHandler* handler, void* entry, const char* line);
void (*WriteAllFn)(ImGuiContext* ctx, ImGuiSettingsHandler* handler, ImGuiTextBuffer* out_buf);
void* UserData;
ImGuiSettingsHandler() { memset(this, 0, sizeof(*this)); }
};
// Mouse cursor data (used when io.MouseDrawCursor is set)
@ -870,7 +873,7 @@ namespace ImGui
IMGUI_API void Initialize();
IMGUI_API void MarkIniSettingsDirty();
IMGUI_API ImGuiSettingsHandler* FindSettingsHandler(ImGuiID type_id);
IMGUI_API ImGuiSettingsHandler* FindSettingsHandler(const char* type_name);
IMGUI_API ImGuiWindowSettings* FindWindowSettings(ImGuiID id);
IMGUI_API void SetActiveID(ImGuiID id, ImGuiWindow* window);