debugimgui: made a start on rendering just the visible areas of a debugger view. Generally works, but the scrollbar doesn't appear when viewing a 32-bit or larger address space (imgui bug?)

This commit is contained in:
mahlemiut 2016-05-20 22:42:11 +12:00
parent 7d7d366223
commit 13d091c38f

View File

@ -69,8 +69,8 @@ public:
int width;
int height; // initial view size
std::string title;
int view_width;
int view_height;
float view_width;
float view_height;
bool has_focus;
bool exec_cmd; // console only
int src_sel;
@ -122,7 +122,7 @@ private:
void draw_memory(debug_area* view_ptr, bool* opened);
void draw_bpoints(debug_area* view_ptr, bool* opened);
void draw_log(debug_area* view_ptr, bool* opened);
void draw_view(debug_area* view_ptr);
void draw_view(debug_area* view_ptr, bool exp_change);
void update_cpu_view(device_t* device);
static bool get_view_source(void* data, int idx, const char** out_text);
@ -482,11 +482,11 @@ void debug_imgui::update_cpu_view(device_t* device)
view_main_regs->view->set_source(*source);
}
void debug_imgui::draw_view(debug_area* view_ptr)
void debug_imgui::draw_view(debug_area* view_ptr, bool exp_change)
{
const debug_view_char *viewdata;
ImDrawList* drawlist;
debug_view_xy vsize;
debug_view_xy vsize,totalsize,pos;
unsigned char v;
int x,y;
ImVec2 xy1,xy2;
@ -494,23 +494,43 @@ void debug_imgui::draw_view(debug_area* view_ptr)
rgb_t bg, fg;
rgb_t base(0xe6, 0xff, 0xff, 0xff);
vsize = view_ptr->view->visible_size();
viewdata = view_ptr->view->viewdata();
totalsize = view_ptr->view->total_size();
ImGui::PushStyleVar(ImGuiStyleVar_FramePadding, ImVec2(0,0));
ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(0,0));
// if the view has changed its expression (disasm, memory), then update scroll bar
if(exp_change)
ImGui::SetScrollY(view_ptr->view->visible_position().y * fsize.y);
// update view location, while the cursor is at 0,0.
view_ptr->ofs_x = ImGui::GetCursorScreenPos().x;
view_ptr->ofs_y = ImGui::GetCursorScreenPos().y;
view_ptr->view_width = ImGui::GetContentRegionMax().x;
view_ptr->view_height = ImGui::GetContentRegionMax().y;
view_ptr->view_width = ImGui::GetContentRegionAvail().x;
view_ptr->view_height = ImGui::GetContentRegionAvail().y;
view_ptr->has_focus = ImGui::IsWindowFocused();
drawlist = ImGui::GetWindowDrawList();
// temporarily set cursor to the last line, this will set the scroll bar range
ImGui::SetCursorPosY((totalsize.y) * fsize.y);
// set the visible area to be displayed
vsize.x = view_ptr->view_width / fsize.x;
vsize.y = (view_ptr->view_height / fsize.y) + 1;
view_ptr->view->set_visible_size(vsize);
// set the visible position
pos.x = 0;
pos.y = ImGui::GetScrollY() / fsize.y;
view_ptr->view->set_visible_position(pos);
viewdata = view_ptr->view->viewdata();
xy1.x = view_ptr->ofs_x;
xy1.y = view_ptr->ofs_y;
xy1.y = view_ptr->ofs_y + ImGui::GetScrollY();
xy2 = fsize;
xy2.x += view_ptr->ofs_x;
xy2.y += view_ptr->ofs_y;
xy2.y += view_ptr->ofs_y + ImGui::GetScrollY();
for(y=0;y<vsize.y;y++)
{
for(x=0;x<vsize.x;x++)
@ -537,7 +557,6 @@ void debug_imgui::draw_view(debug_area* view_ptr)
xy1.y += fsize.y;
xy2.y += fsize.y;
}
ImGui::SetCursorPos(ImVec2(xy1.x - view_ptr->ofs_x, xy1.y - view_ptr->ofs_y));
ImGui::PopStyleVar(2);
}
@ -546,13 +565,9 @@ void debug_imgui::draw_bpoints(debug_area* view_ptr, bool* opened)
ImGui::SetNextWindowSize(ImVec2(view_ptr->width,view_ptr->height + ImGui::GetTextLineHeight()),ImGuiSetCond_Once);
if(ImGui::Begin(view_ptr->title.c_str(),opened))
{
debug_view_xy totalsize;
totalsize = view_ptr->view->total_size();
view_ptr->view->set_visible_size(totalsize);
ImGui::BeginChild("##break_output", ImVec2(ImGui::GetWindowWidth() - 16,ImGui::GetWindowHeight() - ImGui::GetTextLineHeight() - ImGui::GetCursorPosY())); // account for title bar and widgets already drawn
draw_view(view_ptr);
draw_view(view_ptr,false);
ImGui::EndChild();
ImGui::End();
}
@ -593,15 +608,8 @@ void debug_imgui::draw_log(debug_area* view_ptr, bool* opened)
ImGui::SetNextWindowSize(ImVec2(view_ptr->width,view_ptr->height + ImGui::GetTextLineHeight()),ImGuiSetCond_Once);
if(ImGui::Begin(view_ptr->title.c_str(),opened))
{
debug_view_xy totalsize;
totalsize = view_ptr->view->total_size();
if(totalsize.y > 100)
totalsize.y = 100;
view_ptr->view->set_visible_size(totalsize);
ImGui::BeginChild("##log_output", ImVec2(ImGui::GetWindowWidth() - 16,ImGui::GetWindowHeight() - ImGui::GetTextLineHeight() - ImGui::GetCursorPosY())); // account for title bar and widgets already drawn
draw_view(view_ptr);
draw_view(view_ptr,false);
ImGui::EndChild();
ImGui::End();
@ -630,9 +638,9 @@ void debug_imgui::draw_disasm(debug_area* view_ptr, bool* opened)
ImGui::SetNextWindowSize(ImVec2(view_ptr->width,view_ptr->height + ImGui::GetTextLineHeight()),ImGuiSetCond_Once);
if(ImGui::Begin(view_ptr->title.c_str(),opened,ImGuiWindowFlags_MenuBar))
{
debug_view_xy totalsize;
int idx;
bool done = false;
bool exp_change = false;
if(ImGui::BeginMenuBar())
{
@ -662,15 +670,14 @@ void debug_imgui::draw_disasm(debug_area* view_ptr, bool* opened)
ImGui::SameLine();
ImGui::PushItemWidth(-1.0f);
if(ImGui::InputText("##addr",view_ptr->console_input,512,flags))
{
downcast<debug_view_disasm *>(view_ptr->view)->set_expression(view_ptr->console_input);
exp_change = true;
}
ImGui::PopItemWidth();
ImGui::Separator();
// disassembly portion
totalsize = view_ptr->view->total_size();
totalsize.y = 50;
view_ptr->view->set_visible_size(totalsize);
src = view_ptr->view->first_source();
idx = 0;
while (!done)
@ -684,7 +691,7 @@ void debug_imgui::draw_disasm(debug_area* view_ptr, bool* opened)
}
ImGui::BeginChild("##disasm_output", ImVec2(ImGui::GetWindowWidth() - 16,ImGui::GetWindowHeight() - ImGui::GetTextLineHeight() - ImGui::GetCursorPosY())); // account for title bar and widgets already drawn
draw_view(view_ptr);
draw_view(view_ptr,exp_change);
ImGui::EndChild();
ImGui::End();
@ -715,9 +722,9 @@ void debug_imgui::draw_memory(debug_area* view_ptr, bool* opened)
ImGui::SetNextWindowSize(ImVec2(view_ptr->width,view_ptr->height + ImGui::GetTextLineHeight()),ImGuiSetCond_Once);
if(ImGui::Begin(view_ptr->title.c_str(),opened,ImGuiWindowFlags_MenuBar))
{
debug_view_xy totalsize;
int idx;
bool done = false;
bool exp_change = false;
if(ImGui::BeginMenuBar())
{
@ -767,7 +774,10 @@ void debug_imgui::draw_memory(debug_area* view_ptr, bool* opened)
if(m_running)
flags |= ImGuiInputTextFlags_ReadOnly;
if(ImGui::InputText("##addr",view_ptr->console_input,512,flags))
{
downcast<debug_view_memory *>(view_ptr->view)->set_expression(view_ptr->console_input);
exp_change = true;
}
ImGui::PopItemWidth();
ImGui::SameLine();
ImGui::PushItemWidth(-1.0f);
@ -776,10 +786,6 @@ void debug_imgui::draw_memory(debug_area* view_ptr, bool* opened)
ImGui::Separator();
// memory editor portion
totalsize = view_ptr->view->total_size();
if(totalsize.y > 256)
totalsize.y = 256;
view_ptr->view->set_visible_size(totalsize);
src = view_ptr->view->first_source();
idx = 0;
while (!done)
@ -793,7 +799,7 @@ void debug_imgui::draw_memory(debug_area* view_ptr, bool* opened)
}
ImGui::BeginChild("##memory_output", ImVec2(ImGui::GetWindowWidth() - 16,ImGui::GetWindowHeight() - ImGui::GetTextLineHeight() - ImGui::GetCursorPosY())); // account for title bar and widgets already drawn
draw_view(view_ptr);
draw_view(view_ptr,exp_change);
ImGui::EndChild();
ImGui::End();
@ -826,7 +832,6 @@ void debug_imgui::draw_console()
ImGui::SetNextWindowSize(ImVec2(view_main_regs->width + view_main_disasm->width,view_main_disasm->height + view_main_console->height + ImGui::GetTextLineHeight()*3),ImGuiSetCond_Once);
if(ImGui::Begin(view_main_console->title.c_str(), nullptr,flags))
{
debug_view_xy totalsize;
std::string str;
if(ImGui::BeginMenuBar())
@ -908,35 +913,23 @@ void debug_imgui::draw_console()
}
// CPU state portion
totalsize = view_main_regs->view->total_size();
view_main_regs->view->set_visible_size(totalsize);
ImGui::BeginChild("##state_output", ImVec2(180,ImGui::GetWindowHeight() - ImGui::GetTextLineHeight()*2)); // account for title bar and menu
draw_view(view_main_regs);
ImGui::BeginChild("##state_output", ImVec2(180,ImGui::GetWindowHeight() - ImGui::GetTextLineHeight()*4)); // account for title bar and menu
draw_view(view_main_regs,false);
ImGui::EndChild();
ImGui::SameLine();
ImGui::BeginChild("##right_side", ImVec2(ImGui::GetWindowWidth() - ImGui::GetCursorPosX() - 8,ImGui::GetWindowHeight() - ImGui::GetTextLineHeight()*2));
// disassembly portion
totalsize = view_main_disasm->view->total_size();
totalsize.y = 20;
view_main_disasm->view->set_visible_size(totalsize);
ImGui::BeginChild("##disasm_output", ImVec2(ImGui::GetWindowWidth() - ImGui::GetCursorPosX() - 8,(ImGui::GetWindowHeight() - ImGui::GetTextLineHeight()*4)/2));
draw_view(view_main_disasm);
draw_view(view_main_disasm,false);
ImGui::EndChild();
ImGui::Separator();
// console portion
totalsize = view_main_console->view->total_size();
if(totalsize.y > 100)
totalsize.y = 100;
view_main_console->view->set_visible_size(totalsize);
ImGui::BeginChild("##console_output", ImVec2(ImGui::GetWindowWidth() - ImGui::GetCursorPosX() - 8,(ImGui::GetWindowHeight() - ImGui::GetTextLineHeight()*4)/2 - ImGui::GetTextLineHeight()));
draw_view(view_main_console);
draw_view(view_main_console,false);
ImGui::EndChild();
ImGui::Separator();
//if(ImGui::IsWindowFocused())
@ -1069,9 +1062,11 @@ void debug_imgui::wait_for_debugger(device_t &device, bool firststop)
view_main_console->ofs_x = 0;
view_main_console->ofs_y = 0;
view_main_disasm = dview_alloc(device.machine(), DVT_DISASSEMBLY);
view_main_disasm->title = "Main Disassembly";
view_main_disasm->width = 500;
view_main_disasm->height = 200;
view_main_regs = dview_alloc(device.machine(), DVT_STATE);
view_main_regs->title = "Main State";
view_main_regs->width = 180;
view_main_regs->height = 440;
strcpy(view_main_console->console_input,""); // clear console input