gtk: Add mouse wheel support

Hook into scroll-event to properly forward mouse wheel movements to the
guest, just like we already do in SDL.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

docs/qemupciserial.inf

@@ -11,92 +11,99 @@
 ; (Com+Lpt)" from the list.  Click "Have a disk".  Select this file.
 ; Procedure may vary a bit depending on the windows version.
 
-; This file covers all options: pci-serial, pci-serial-2x, pci-serial-4x
-; for both 32 and 64 bit platforms.
+; FIXME: This file covers the single port version only.
 
 [Version]
-Signature="$Windows NT$"
-Class=MultiFunction
-ClassGUID={4d36e971-e325-11ce-bfc1-08002be10318}
+Signature="$CHICAGO$"
+Class=Ports
+ClassGuid={4D36E978-E325-11CE-BFC1-08002BE10318}
 Provider=%QEMU%
-DriverVer=12/29/2013,1.3.0
-[ControlFlags]
-ExcludeFromSelect=*
+DriverVer=09/24/2012,1.3.0
+
+[SourceDisksNames]
+3426=windows cd
+
+[SourceDisksFiles]
+serial.sys 		= 3426
+serenum.sys 		= 3426
+
+[DestinationDirs]
+DefaultDestDir  = 11        ;LDID_SYS
+ComPort.NT.Copy = 12        ;DIRID_DRIVERS
+SerialEnumerator.NT.Copy=12 ;DIRID_DRIVERS
+
+; Drivers
+;----------------------------------------------------------
 [Manufacturer]
-%QEMU%=QEMU,NTx86,NTAMD64
+%QEMU%=QEMU,NTx86
 
 [QEMU.NTx86]
-%QEMU-PCI_SERIAL_1_PORT%=ComPort_inst1, PCI\VEN_1B36&DEV_0002
-%QEMU-PCI_SERIAL_2_PORT%=ComPort_inst2, PCI\VEN_1B36&DEV_0003
-%QEMU-PCI_SERIAL_4_PORT%=ComPort_inst4, PCI\VEN_1B36&DEV_0004
+%QEMU-PCI_SERIAL.DeviceDesc% = ComPort, "PCI\VEN_1b36&DEV_0002&CC_0700"
 
-[QEMU.NTAMD64]
-%QEMU-PCI_SERIAL_1_PORT%=ComPort_inst1, PCI\VEN_1B36&DEV_0002
-%QEMU-PCI_SERIAL_2_PORT%=ComPort_inst2, PCI\VEN_1B36&DEV_0003
-%QEMU-PCI_SERIAL_4_PORT%=ComPort_inst4, PCI\VEN_1B36&DEV_0004
+; COM sections
+;----------------------------------------------------------
+[ComPort.AddReg]
+HKR,,PortSubClass,1,01
 
-[ComPort_inst1]
-Include=mf.inf
-Needs=MFINSTALL.mf
+[ComPort.NT]
+AddReg=ComPort.AddReg, ComPort.NT.AddReg
+LogConfig=caa
+SyssetupPnPFlags = 1
 
-[ComPort_inst2]
-Include=mf.inf
-Needs=MFINSTALL.mf
+[ComPort.NT.HW]
+AddReg=ComPort.NT.HW.AddReg
 
-[ComPort_inst4]
-Include=mf.inf
-Needs=MFINSTALL.mf
+[ComPort.NT.AddReg]
+HKR,,EnumPropPages32,,"MsPorts.dll,SerialPortPropPageProvider"
 
-[ComPort_inst1.HW]
-AddReg=ComPort_inst1.RegHW
+[ComPort.NT.HW.AddReg]
+HKR,,"UpperFilters",0x00010000,"serenum"
 
-[ComPort_inst2.HW]
-AddReg=ComPort_inst2.RegHW
+;-------------- Service installation
+; Port Driver (function driver for this device)
+[ComPort.NT.Services]
+AddService = Serial, 0x00000002, Serial_Service_Inst, Serial_EventLog_Inst
+AddService = Serenum,,Serenum_Service_Inst
 
-[ComPort_inst4.HW]
-AddReg=ComPort_inst4.RegHW
+; -------------- Serial Port Driver install sections
+[Serial_Service_Inst]
+DisplayName    = %Serial.SVCDESC%
+ServiceType    = 1               ; SERVICE_KERNEL_DRIVER
+StartType      = 1               ; SERVICE_SYSTEM_START (this driver may do detection)
+ErrorControl   = 0               ; SERVICE_ERROR_IGNORE
+ServiceBinary  = %12%\serial.sys
+LoadOrderGroup = Extended base
 
-[ComPort_inst1.Services]
-Include=mf.inf
-Needs=MFINSTALL.mf.Services
+; -------------- Serenum Driver install section
+[Serenum_Service_Inst]
+DisplayName    = %Serenum.SVCDESC%
+ServiceType    = 1               ; SERVICE_KERNEL_DRIVER
+StartType      = 3               ; SERVICE_DEMAND_START
+ErrorControl   = 1               ; SERVICE_ERROR_NORMAL
+ServiceBinary  = %12%\serenum.sys
+LoadOrderGroup = PNP Filter
 
-[ComPort_inst2.Services]
-Include=mf.inf
-Needs=MFINSTALL.mf.Services
+[Serial_EventLog_Inst]
+AddReg = Serial_EventLog_AddReg
 
-[ComPort_inst4.Services]
-Include=mf.inf
-Needs=MFINSTALL.mf.Services
+[Serial_EventLog_AddReg]
+HKR,,EventMessageFile,0x00020000,"%%SystemRoot%%\System32\IoLogMsg.dll;%%SystemRoot%%\System32\drivers\serial.sys"
+HKR,,TypesSupported,0x00010001,7
 
-[ComPort_inst1.RegHW]
-HKR,Child0000,HardwareID,,*PNP0501
-HKR,Child0000,VaryingResourceMap,1,00, 00,00,00,00, 08,00,00,00
-HKR,Child0000,ResourceMap,1,02
+; The following sections are COM port resource configs.
+; Section name format means:
+; Char 1 = c (COM port)
+; Char 2 = I/O config: 1 (3f8), 2 (2f8), 3 (3e8), 4 (2e8), a (any)
+; Char 3 = IRQ config: #, a (any)
 
-[ComPort_inst2.RegHW]
-HKR,Child0000,HardwareID,,*PNP0501
-HKR,Child0000,VaryingResourceMap,1,00, 00,00,00,00, 08,00,00,00
-HKR,Child0000,ResourceMap,1,02
-HKR,Child0001,HardwareID,,*PNP0501
-HKR,Child0001,VaryingResourceMap,1,00, 08,00,00,00, 08,00,00,00
-HKR,Child0001,ResourceMap,1,02
-
-[ComPort_inst4.RegHW]
-HKR,Child0000,HardwareID,,*PNP0501
-HKR,Child0000,VaryingResourceMap,1,00, 00,00,00,00, 08,00,00,00
-HKR,Child0000,ResourceMap,1,02
-HKR,Child0001,HardwareID,,*PNP0501
-HKR,Child0001,VaryingResourceMap,1,00, 08,00,00,00, 08,00,00,00
-HKR,Child0001,ResourceMap,1,02
-HKR,Child0002,HardwareID,,*PNP0501
-HKR,Child0002,VaryingResourceMap,1,00, 10,00,00,00, 08,00,00,00
-HKR,Child0002,ResourceMap,1,02
-HKR,Child0003,HardwareID,,*PNP0501
-HKR,Child0003,VaryingResourceMap,1,00, 18,00,00,00, 08,00,00,00
-HKR,Child0003,ResourceMap,1,02
+[caa]                   ; Any base, any IRQ
+ConfigPriority=HARDRECONFIG
+IOConfig=8@100-ffff%fff8(3ff::)
+IRQConfig=S:3,4,5,7,9,10,11,12,14,15
 
 [Strings]
 QEMU="QEMU"
-QEMU-PCI_SERIAL_1_PORT="1x QEMU PCI Serial Card"
-QEMU-PCI_SERIAL_2_PORT="2x QEMU PCI Serial Card"
-QEMU-PCI_SERIAL_4_PORT="4x QEMU PCI Serial Card"
+QEMU-PCI_SERIAL.DeviceDesc="QEMU Serial PCI Card"
+
+Serial.SVCDESC   = "Serial port driver"
+Serenum.SVCDESC = "Serenum Filter Driver"

ui/gtk.c

@@ -683,6 +683,27 @@ static gboolean gd_button_event(GtkWidget *widget, GdkEventButton *button,
     return TRUE;
 }
 
+static gboolean gd_scroll_event(GtkWidget *widget, GdkEventScroll *scroll,
+                                void *opaque)
+{
+    GtkDisplayState *s = opaque;
+    InputButton btn;
+
+    if (scroll->direction == GDK_SCROLL_UP) {
+        btn = INPUT_BUTTON_WHEEL_UP;
+    } else if (scroll->direction == GDK_SCROLL_DOWN) {
+        btn = INPUT_BUTTON_WHEEL_DOWN;
+    } else {
+        return TRUE;
+    }
+
+    qemu_input_queue_btn(s->dcl.con, btn, true);
+    qemu_input_event_sync();
+    qemu_input_queue_btn(s->dcl.con, btn, false);
+    qemu_input_event_sync();
+    return TRUE;
+}
+
 static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
 {
     GtkDisplayState *s = opaque;
@@ -1229,6 +1250,8 @@ static void gd_connect_signals(GtkDisplayState *s)
                      G_CALLBACK(gd_button_event), s);
     g_signal_connect(s->drawing_area, "button-release-event",
                      G_CALLBACK(gd_button_event), s);
+    g_signal_connect(s->drawing_area, "scroll-event",
+                     G_CALLBACK(gd_scroll_event), s);
     g_signal_connect(s->drawing_area, "key-press-event",
                      G_CALLBACK(gd_key_event), s);
     g_signal_connect(s->drawing_area, "key-release-event",

ui/input-legacy.c

@@ -333,6 +333,7 @@ QEMUPutKbdEntry *qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
     entry->opaque = opaque;
     entry->s = qemu_input_handler_register((DeviceState *)entry,
                                            &legacy_kbd_handler);
+    qemu_input_handler_activate(entry->s);
     return entry;
 }