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debugimgui: allow debugger console and log window scrollbars to stay at their maximum value if already there

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This commit is contained in:
mahlemiut 2016-06-25 13:40:57 +12:00
parent 7ff2301047
commit 443938c991
1 changed files with 16 additions and 1 deletions
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17
src/osd/modules/debugger/debugimgui.cpp
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@ -32,7 +32,9 @@ public:
ofs_x(0),
ofs_y(0),
is_collapsed(false),
exec_cmd(false)
exec_cmd(false),
scroll_end(false),
scroll_follow(false)
{
this->view = machine.debug_view().alloc_view(type, nullptr, this);
this->type = type;
@ -77,6 +79,8 @@ public:
bool is_collapsed;
bool exec_cmd; // console only
int src_sel;
bool scroll_end;
bool scroll_follow; // set if view is to stay at the end of a scrollable area (like a log window)
char console_input[512];
std::vector<std::string> console_history;
std::string console_prev;
@ -610,6 +614,15 @@ void debug_imgui::draw_view(debug_area* view_ptr, bool exp_change)
ImVec2(view_ptr->ofs_x + view_ptr->view_width,view_ptr->ofs_y + ImGui::GetScrollY() + view_ptr->view_height),col);
}
// if the vertical scroll bar is at the end, then force it to the maximum value in case of an update
if(view_ptr->scroll_end)
ImGui::SetScrollY(ImGui::GetScrollMaxY());
// and update the scroll end flag
view_ptr->scroll_end = false;
if(view_ptr->scroll_follow)
if(ImGui::GetScrollY() == ImGui::GetScrollMaxY() || ImGui::GetScrollMaxY() < 0)
view_ptr->scroll_end = true;
ImGui::PopStyleVar(2);
}
@ -687,6 +700,7 @@ void debug_imgui::add_log(int id)
new_view->height = 300;
new_view->ofs_x = 0;
new_view->ofs_y = 0;
new_view->scroll_follow = true;
view_list_add(new_view);
}
@ -1127,6 +1141,7 @@ void debug_imgui::wait_for_debugger(device_t &device, bool firststop)
view_main_console->height = 200;
view_main_console->ofs_x = 0;
view_main_console->ofs_y = 0;
view_main_console->scroll_follow = true;
view_main_disasm = dview_alloc(device.machine(), DVT_DISASSEMBLY);
view_main_disasm->title = "Main Disassembly";
view_main_disasm->width = 500;