Files
foobar2000-sdk/foobar2000/SDK/ui_element.cpp
2021-12-14 00:28:25 -07:00

223 lines
8.1 KiB
C++

#include "foobar2000.h"
namespace {
struct sysColorMapping_t {
GUID guid; int idx;
};
static const sysColorMapping_t sysColorMapping[] = {
{ ui_color_text, COLOR_WINDOWTEXT },
{ ui_color_background, COLOR_WINDOW },
{ ui_color_highlight, COLOR_HOTLIGHT },
{ui_color_selection, COLOR_HIGHLIGHT},
};
}
int ui_color_to_sys_color_index(const GUID & p_guid) {
for( unsigned i = 0; i < PFC_TABSIZE( sysColorMapping ); ++ i ) {
if ( p_guid == sysColorMapping[i].guid ) return sysColorMapping[i].idx;
}
return -1;
}
GUID ui_color_from_sys_color_index(int idx) {
for (unsigned i = 0; i < PFC_TABSIZE(sysColorMapping); ++i) {
if (idx == sysColorMapping[i].idx) return sysColorMapping[i].guid;
}
return pfc::guid_null;
}
namespace {
class ui_element_config_impl : public ui_element_config {
public:
ui_element_config_impl(const GUID & guid) : m_guid(guid) {}
ui_element_config_impl(const GUID & guid, const void * buffer, t_size size) : m_guid(guid) {
m_content.set_data_fromptr(reinterpret_cast<const t_uint8*>(buffer),size);
}
void * get_data_var() {return m_content.get_ptr();}
void set_data_size(t_size size) {m_content.set_size(size);}
GUID get_guid() const {return m_guid;}
const void * get_data() const {return m_content.get_ptr();}
t_size get_data_size() const {return m_content.get_size();}
private:
const GUID m_guid;
pfc::array_t<t_uint8> m_content;
};
}
service_ptr_t<ui_element_config> ui_element_config::g_create(const GUID& id, const void * data, t_size size) {
return new service_impl_t<ui_element_config_impl>(id,data,size);
}
service_ptr_t<ui_element_config> ui_element_config::g_create(const GUID & id, stream_reader * in, t_size bytes, abort_callback & abort) {
service_ptr_t<ui_element_config_impl> data = new service_impl_t<ui_element_config_impl>(id);
data->set_data_size(bytes);
in->read_object(data->get_data_var(),bytes,abort);
return data;
}
service_ptr_t<ui_element_config> ui_element_config::g_create(stream_reader * in, t_size bytes, abort_callback & abort) {
if (bytes < sizeof(GUID)) throw exception_io_data_truncation();
GUID id;
{ stream_reader_formatter<> str(*in,abort); str >> id;}
return g_create(id,in,bytes - sizeof(GUID),abort);
}
ui_element_config::ptr ui_element_config_parser::subelement(t_size size) {
return ui_element_config::g_create(&m_stream, size, m_abort);
}
ui_element_config::ptr ui_element_config_parser::subelement(const GUID & id, t_size dataSize) {
return ui_element_config::g_create(id, &m_stream, dataSize, m_abort);
}
service_ptr_t<ui_element_config> ui_element_config::g_create(const void * data, t_size size) {
stream_reader_memblock_ref stream(data,size);
return g_create(&stream,size,fb2k::noAbort);
}
bool ui_element_subclass_description(const GUID & id, pfc::string_base & p_out) {
if (id == ui_element_subclass_playlist_renderers) {
p_out = "Playlist Renderers"; return true;
} else if (id == ui_element_subclass_media_library_viewers) {
p_out = "Media Library Viewers"; return true;
} else if (id == ui_element_subclass_selection_information) {
p_out = "Selection Information"; return true;
} else if (id == ui_element_subclass_playback_visualisation) {
p_out = "Playback Visualization"; return true;
} else if (id == ui_element_subclass_playback_information) {
p_out = "Playback Information"; return true;
} else if (id == ui_element_subclass_utility) {
p_out = "Utility"; return true;
} else if (id == ui_element_subclass_containers) {
p_out = "Containers"; return true;
} else if ( id == ui_element_subclass_dsp ) {
p_out = "DSP"; return true;
} else {
return false;
}
}
bool ui_element::get_element_group(pfc::string_base & p_out) {
return ui_element_subclass_description(get_subclass(),p_out);
}
t_ui_color ui_element_instance_callback::query_std_color(const GUID & p_what) {
#ifdef _WIN32
t_ui_color ret;
if (query_color(p_what,ret)) return ret;
int idx = ui_color_to_sys_color_index(p_what);
if (idx < 0) return 0;//should not be triggerable
return GetSysColor(idx);
#else
#error portme
#endif
}
#ifdef _WIN32
t_ui_color ui_element_instance_callback::getSysColor(int sysColorIndex) {
GUID guid = ui_color_from_sys_color_index( sysColorIndex );
if ( guid != pfc::guid_null ) return query_std_color(guid);
return GetSysColor(sysColorIndex);
}
#endif
bool ui_element::g_find(service_ptr_t<ui_element> & out, const GUID & id) {
return service_by_guid(out, id);
}
bool ui_element::g_get_name(pfc::string_base & p_out,const GUID & p_guid) {
ui_element::ptr ptr; if (!g_find(ptr,p_guid)) return false;
ptr->get_name(p_out); return true;
}
bool ui_element_instance_callback::is_elem_visible_(service_ptr_t<class ui_element_instance> elem) {
ui_element_instance_callback_v2::ptr v2;
if (!this->service_query_t(v2)) {
PFC_ASSERT(!"Should not get here - somebody implemented ui_element_instance_callback but not ui_element_instance_callback_v2.");
return true;
}
return v2->is_elem_visible(elem);
}
bool ui_element_instance_callback::set_elem_label(ui_element_instance * source, const char * label) {
return notify_(source, ui_element_host_notify_set_elem_label, 0, label, strlen(label)) != 0;
}
t_uint32 ui_element_instance_callback::get_dialog_texture(ui_element_instance * source) {
return (t_uint32) notify_(source, ui_element_host_notify_get_dialog_texture, 0, NULL, 0);
}
bool ui_element_instance_callback::is_border_needed(ui_element_instance * source) {
return notify_(source, ui_element_host_notify_is_border_needed, 0, NULL, 0) != 0;
}
t_size ui_element_instance_callback::notify_(ui_element_instance * source, const GUID & what, t_size param1, const void * param2, t_size param2size) {
ui_element_instance_callback_v3::ptr v3;
if (!this->service_query_t(v3)) { PFC_ASSERT(!"Outdated UI Element host implementation"); return 0; }
return v3->notify(source, what, param1, param2, param2size);
}
const ui_element_min_max_info & ui_element_min_max_info::operator|=(const ui_element_min_max_info & p_other) {
m_min_width = pfc::max_t(m_min_width,p_other.m_min_width);
m_min_height = pfc::max_t(m_min_height,p_other.m_min_height);
m_max_width = pfc::min_t(m_max_width,p_other.m_max_width);
m_max_height = pfc::min_t(m_max_height,p_other.m_max_height);
return *this;
}
ui_element_min_max_info ui_element_min_max_info::operator|(const ui_element_min_max_info & p_other) const {
ui_element_min_max_info ret(*this);
ret |= p_other;
return ret;
}
void ui_element_min_max_info::adjustForWindow(HWND wnd) {
RECT client = {0,0,10,10};
RECT adjusted = client;
BOOL bMenu = FALSE;
const DWORD style = (DWORD) GetWindowLong( wnd, GWL_STYLE );
if ( style & WS_POPUP ) {
bMenu = GetMenu( wnd ) != NULL;
}
if (AdjustWindowRectEx( &adjusted, style, bMenu, GetWindowLong(wnd, GWL_EXSTYLE) )) {
int dx = (adjusted.right - adjusted.left) - (client.right - client.left);
int dy = (adjusted.bottom - adjusted.top) - (client.bottom - client.top);
if ( dx < 0 ) dx = 0;
if ( dy < 0 ) dy = 0;
m_min_width += dx;
m_min_height += dy;
if ( m_max_width != ~0 ) m_max_width += dx;
if ( m_max_height != ~0 ) m_max_height += dy;
}
}
//! Retrieves element's minimum/maximum window size. Default implementation will fall back to WM_GETMINMAXINFO.
ui_element_min_max_info ui_element_instance::get_min_max_info() {
ui_element_min_max_info ret;
MINMAXINFO temp = {};
temp.ptMaxTrackSize.x = 1024*1024;//arbitrary huge number
temp.ptMaxTrackSize.y = 1024*1024;
SendMessage(this->get_wnd(),WM_GETMINMAXINFO,0,(LPARAM)&temp);
if (temp.ptMinTrackSize.x >= 0) ret.m_min_width = temp.ptMinTrackSize.x;
if (temp.ptMaxTrackSize.x > 0) ret.m_max_width = temp.ptMaxTrackSize.x;
if (temp.ptMinTrackSize.y >= 0) ret.m_min_height = temp.ptMinTrackSize.y;
if (temp.ptMaxTrackSize.y > 0) ret.m_max_height = temp.ptMaxTrackSize.y;
return ret;
}
namespace {
class ui_element_replace_dialog_notify_impl : public ui_element_replace_dialog_notify {
public:
void on_cancelled() {
reply(pfc::guid_null);
}
void on_ok(const GUID & guid) {
reply(guid);
}
std::function<void(GUID)> reply;
};
}
ui_element_replace_dialog_notify::ptr ui_element_replace_dialog_notify::create(std::function<void(GUID)> reply) {
auto obj = fb2k::service_new<ui_element_replace_dialog_notify_impl>();
obj->reply = reply;
return obj;
}